CHAPTER 26


Leadership in Groups and Teams

I commented to an Egyptologist at the Temple of Luxor how remarkable it was to see four fellahin with only ropes skillfully maneuvering a ten-ton stone block. “Oh,” he replied, “they have been doing that kind of teamwork for the past five thousand years!” (Bass, 1995). The team or small group may be permanent or temporary. Contact is usually face-to-face but increasingly may take place through e-mail and conference television. Regardless of whether they arise spontaneously or are elected or appointed, the members who emerge as leaders perform two essential functions: (1) they deal with the groups and the member’s performance, and (2) they provide socio-emotional support to the group members (Bales, 1958a; Bales & Slater, 1955).

Roles of the Leader


Any or all members can emerge as leaders, depending on how much of the functional roles they enact—the particular patterns of behavior they display in relation to the performance of the group or its socioemotional development. Leaders enact these task-relevant and socioemotional group-building and maintenance roles. Nonleaders are more likely to enact individual roles. These are less functional for the group’s development and maintenance. As formulated by Benne and Sheats (1948), task roles include those of initiator of the activity, information seeker, information giver, opinion giver, elaborator, coordinator, summarizer, feasibility tester, evaluator, and diagnostician. Group-building and maintenance roles include patterns of behavior such as encouraging, gate-keeping (limiting monopolistic talkers, returning the group to the agenda, and keeping the group on course), standard setting, expressing group feelings, consensus taking (sending up “trial balloons”), harmonizing, reducing tension (joking, “pouring oil on troubled waters”), and following. (This last role is consistent with what was said in earlier chapters about the positive correlation of leadership and followership.) Nonfunctional individual, self-concerned roles involve patterns of behavior such as aggression, blocking, self-confessing, competing, seeking sympathy, special pleading, disrupting, seeking recognition, and withdrawing.

Functions of the Leader


Roby (1961) developed a mathematical model of leadership functions based on response units and information load. According to Roby, the functions of leadership are to: (1) bring about a congruence of goals among members; (2) balance the group’s resources and capabilities with environmental demands; (3) provide a group structure that is necessary to focus information effectively on solving the problem; (4) make certain that needed information is available at a decision center when required. Consistent with this view, Stogdill (1959) suggested that it is the function of the leader to maintain the group’s structure and goal direction and to reconcile conflicting demands that arise within and outside the group. For Stogdill, the functions of leadership also included defining objectives, providing means for attaining goals, facilitating action and interaction in the group, maintaining the group’s cohesiveness and the members’ satisfaction, and facilitating the group’s performance of the task. According to Schutz (1961b), the leader has the functions of: (1) establishing and recognizing a hierarchy of group goals and values; (2) recognizing and integrating the various cognitive styles that exist in the group; (3) maximizing the use of group members’ abilities; (4) helping members resolve problems involved in adapting to external realities, as well as those involving interpersonal needs. Bowers and Seashore (1967) maintained that the functions of leadership are the support of members, the facilitation of interaction, the emphasis on goals, and the facilitation of work. For Cattell (1957), the leader maintains the group, upholds role and status satisfactions, maintains task satisfaction, keeps ethical (norm) satisfaction, selects and clarifies goals, and finds and clarifies the means of attaining goals. For Hollander (1978), goal setting was a particularly important function of the leader. And P. J. Burke (1966a, 1966b) showed that antagonism, tension, and absenteeism occurred when the leader failed in this function. According to Hollander, the leader also provides direction and defines reality, two more functions that are necessary for the group’s effectiveness. If successful, such direction by the leader is a valued resource. As a definer of reality, the leader communicates relevant information about progress and provides needed redirection to followers.

Earlier chapters explored the interacting nature of leader-follower relations. This chapter concentrates on the effects of the followers as a group or team on its leadership and the effects of the leadership on the group or team. It concludes with sharing of leadership of the team. What the leadership does depends on the nature of the team. In the same way, the team depends on the nature of the leadership. Its leadership often makes the difference in the success or failure of the team’s efforts (Katzenbach, 1997). In the last century, there were several revolutionary changes in how work and service were to be done. The job of an individual became less a single bundle of tasks and more a varying set of tasks in coordination with other members of a team. Increasingly, work is done in teams. Even when individuals still have much work to do by themselves, they must still join parallel teams to complete it or for other reasons, such as to contribute to quality improvement, committees, and task forces. A single person may be a member of many parallel teams while still responsible for individual assignments (Campion, Pappar, & Medsker, 1996). Lawler and Cohen (1992) estimated that 85% of Fortune 100 firms used parallel teams.

Teams versus Groups


A group is a collection of people with common boundaries, sometimes with broad objectives. A team is a group that is focused on a task with a narrow set of objectives (Hackman & Johnson, 1993). A group may have a task, such as to follow directions or to find answers to problems. But a group is less likely to be focused like a team primarily on specific tasks. Before 1990 many studies of groups were actually studies of teams. Both groups and teams exhibited mutual and reciprocal influence among members. But usually there is a stronger sense of identification by members of a team than a group. Team members share common goals and tasks; group members may belong to the group for personal reasons that are in conflict with the group’s objectives. Task members usually work interdependently; group members may work independently. Team members have more specialized and differentiated roles, although they are likely to play a single primary role; group members more often play a variety of roles (Hughes, Ginnett, & Curphy, 1993). Team-work more often requires monitoring performance of self and other members, self-correcting errors, providing task and motivation reinforcement, adapting to unpredictable occurrences, closing communication loops, and predicting other team members’ behavior. Mental models need to be shared (Salas, 1993). Much of the leadership in teams may be provided by the members themselves.

In the third edition of Handbook of Leadership, this chapter focused on leadership of small groups. In the fourth edition, the chapter reflects the rapid growth in interest from the 1980s onward in organizing teams, team-work, and team leadership and the declining research interest in leading informal, transient small groups (Ilgen, 1999). However, much of what was learned about small groups remains relevant to teams and team leadership. Research about work and leadership in groups is now more likely to be called work in teams. Among other things, to be an effective team, members in their interdependence must pursue shared and valued objectives. They must pay more attention to processes and their shared roles and responsibilities must be more clearly defined (Dyer, 1984).

From Division of Labor to Teamwork

The use of teams by utilitarian organizations has increased since the 1990s (Lawler, 1998). Authority has been decentralized. Traditional chains of command have been replaced by empowered teams (Ray & Bronstein, 1995). We are in the midst of a changeover from dividing the tasks of labor into their simplest components, as advocated by theorists ranging from Adam Smith (1776) to Frederick Taylor (1912). Work has been reengineered from production in assembly lines to teamwork in policy-making decisions, therapeutic efforts, family assistance, and education (McGrath, 1997). The reason is that teams ordinarily achieve more than pooling the individual efforts of the members working alone (Bass, 1965). “The growing interdependence of human functioning is placing a premium on the exercise of collective agency through shared beliefs in the power to produce effects by collective action” (Bandura, 2000, p. 75).

Early Interest in Group Effort. There were early instances of the changeover in interest from individual to group effort. De Toqueville (1832/1966) commented on how American settlers formed voluntary, temporary teams to get work done. LeBon (1897) explained what happens when people are in groups rather than alone. People in groups were found by H. Clark (1916) more suggestible than when isolated. Bechterew and Lange (1924) completed numerous experiments on the influence of the group, a topic of considerable political interest in a Soviet society aiming to develop collectivism in the workplace. Elton Mayo’s familiar Hawthorne studies begun in 1924 to show the importance of good lighting in the workplace, publicized the importance of interpersonal relations between supervisor and workers (Roethlisberger & Dixon, 1947). Burtt (1929) made explicit the case for working in groups rather than alone: “We are essentially social animals and most of us find it more agreeable to do things in company than to do them alone” (p. 193). Moreno (1934/1953) introduced sociometry to show the influence on group performance of choice of partners. Lewin’s (1939) theory of group dynamics was seminal in demonstrating the value of participation and team goals.

Trist and Bamforth (1951) described the teamwork in long-wall coal mining. Bamforth had been a miner and came from a village of coal miners. He won a scholar-ship to work with Trist. Assigned by Trist, he returned to the same mine in which he had originally worked to find that its individually assigned jobs had been replaced by working in teams. Productivity and satisfaction had increased. Bamforth told Trist that work in the mine had returned to the way the miners’ fathers had worked before “rationalization” had introduced inflexible individual assignments (Fox, 1990)! Our earlier chapters noted developments from the mid–twentieth century onward, exemplified by military leadership research ranging from army squads to air force aircrews, and Coch and French’s (1948) study of the effects of goal setting and participative practices. By the 1960s, Nonlinear Systems, a small California electronics firm, had eliminated its assembly line in favor of an organization of teams, and Volvo’s automobile engine assembly was changed from assembly lines to teamwork (Bass, 1965). Teamwork was encouraged by System 4 of Likert’s concept (1961a) of organized overlapping groups from one echelon to the next in decision-making hierarchies. Each leader of a group participated in a decision-making group of his peers at the next higher organizational level (see Chapter 17).

Prevalence. Teams have been employed in Japan since the days of the Samurai. Small-group research in the mid–twentieth century attested to the greater effectiveness of team over individual work. Lawler, Lawler, Mohrman, and Ledford (1995) estimated that as many as 85% of large Western firms were using some form of teams, many self-managed. Team decision making is more effective than the decisions of its individual members. Among 222 project teams solving problems, the decision based on the group process was better that that of the team’s most proficient member in 97% of the cases. Only 40% of the superior decisions could be explained by the average member’s decision (Michaelson, Watson, & Black, 1989).

Teams permit each member to take on larger tasks. With cross-training and reengineering of tasks, members can substitute for one another. They are better motivated when given wider latitude than operating on a traditional assembly line. The greater productivity in the United States with fewer employees is usually attributed in the popular press to technological advances, but some of it may be due to the switch from assembly lines to team-work. The attitudes and activities of the group transcend those of its individual members. Group and team norms can survive even if all the members are changed. Members behave differently when they are isolated from one another than when they are all together. The leader’s dyadic relations with each of his or her subordinates may not reflect the leader’s relations with the same subordinates as a team. The team’s relationship to the leader may be more important than the individual employee’s relationship to the leader (Bramel & Friend, 1987). The team approach has had to be extensively modified from its application in collectivistic Japan to individualistic North America. In Japan, harmony is of singular importance. In the United States, dissent has to be endorsed and valued, allowing for productive controversy and constructive thinking. Team structure has to be fluid, incorporating core members with part-timers. Teams have to be encouraged and enabled to make decisions for themselves (Nahavandi & Aranda, 1994).

The team’s drive, cohesion, collective efficacy, potency, selection, alignment, and attainment of goals are likely to be influenced by its leadership. Its leadership is likely to be influenced by the team’s drive, cohesion, collective efficacy, selection, and attainment of objectives. The overall evidence points to greater accomplishment in teams with greater collective drive, cohesion, efficacy, and potency. For example, a group’s beliefs in its collective efficacy have been shown in banking to make an important contribution to continuing effort and performance accomplishment (Lewis & Gibson, 1998). Comparable results have appeared in both experimental teams and natural groups in business, athletics, military combat, and urban neighborhoods (Bandura, 2000). A meta-analysis by Gully, Beaubien, Incalcaterra, et al. (1998) found a strong relationship between collective capability and team performance. These results go beyond the performance of the individual members and generalize across tasks and cultures (Gibson, 1999).

Deindividuation. The group effect becomes especially strong if deindividuation occurs, that is, if the group members lose their identity as individuals and merge themselves into the group. In such a case, the members lose many of their inhibitions and behave uncharacteristically (LeBon, 1897). The disinhibition of deindividuation makes it easier for team members to discuss intimate problems with a stranger whom they expect never to see again than with friends or relatives. Festinger, Pepitone, and Newcomb (1952) studied groups of students who were required to discuss personal family matters. They confirmed that the students experienced less restraint in doing so under a condition of deindividuation. They minimized the attention they paid to one another as individuals. When it was present, deindividuation was a satisfying state of group affairs associated with increased group attractiveness. In the same way, Rosenbaum (1959) and Leipold (1963) found that participants preferred to maintain a greater psychosocial distance between themselves and their partners when potentially unfavorable evaluations might be fed back to them than when no such information was anticipated. The disinhibition of deindividuation may help explain how members of special operations teams can take on extremely dangerous, life-threatening missions.

Individual identity is ordinarily stressed if rewards are anticipated; deindividuation is more likely to occur if punishment is expected. Furthermore, deindividuation increases with anonymity, the level of emotional arousal, and the novelty of the situation. The loss of inhibition is reflected in less compliance with outside authority and more conforming to the demands of the group or team. Responses are more immediate, and there is less self-awareness and premeditation. The collective mission is stressed over the individual’s needs. Disinhibition and the loss of self-identity unleash the energy to accomplish great feats if they have constructive direction. They also facilitate the rabble-rouser. We become disinhibited from ordinary social constraints when we lose ourselves in a crowd. A riot-inciting leader can generate mindless mob violence.

Emotional contagion occurs even in a two-person conversation. People automatically mimic and synchronize their own movements with the facial expressions, postures, vocal utterances, and behaviors of other people. Subjective feelings are induced in the same way (Hat-field, Cacioppo, & Rapson, 1993).

Overt and Covert Effects. Particularly in collectivist societies such as China, Japan, and Korea, the group is likely to have a strong influence on its leader. Thus, Furukawa (1981) showed, in a survey of 1,576 Japanese managers, that managers establish their primary management objective from among a set of possibilities after judging how well it fits with their work team’s interests and favorability to them.

Leader-member relations are also affected less overtly by the team or group. Some of the assumptions that determine an organizational culture are fantasies that are shared by members of a group that is embedded in the larger organization (Kets de Vries & Miller, 1984a). Ide-alization or devaluation of the leader and dependence on him or her is one such shared fantasy. One group, as a group, in the same larger organization will be dependent on whoever is assigned the job of group leader. Another group, without the same assumptions, will displays more independence or counterdependence, regardless of who is appointed leader. A leader of a group with a clique who behaves the same way as the leader of another team without a clique will be evaluated differently by the two groups. E. R. Carlson (1960) showed that groups that contain cliques are less satisfied with their leaders than are groups that are free from such cliques.

Team-Member Exchange Effects. Team effects appear to augment the leader’s impact on the satisfaction of individual members. Thus Seers (undated) extended Graen’s (1976) concept of the quality of the dyadic leader-member exchange to the quality of the team-member exchange. Items that correlated most highly with the factor of the quality of the team-member exchange among 178 hourly employees who worked in one of 19 teams included “how often I volunteer extra help to the team” and “how often others on the team help me to learn better work methods.” Eighteen percent of a team member’s work satisfaction was accounted for by the favorable quality of the member’s exchange relationship with the team leader. An additional 4% was due to the quality of the exchange relationship with the team. The comparable figures for a member’s satisfaction with coworkers were 11% owing to the quality of the leader-member exchange and 27% owing to the quality of the team-member exchange.

Characteristics of the Group’s Members. The means and variances in the attributes of individual members make a difference to the leadership of the group and its patterns of influence. Thus, Dyson, Godwin, and Hazelwood (1976) were able to link members’ consensus to the influence of decisions in homogeneous but not in heterogeneous groups. D. G. Bowers (1969) found that the leaders’ importance is greater for teams composed of particular kinds of employees. Among 1,700 work groups from 22 organizations, Bowers observed that groups made up of longer-service, older, and less educated members attached greater importance to the supervisor and his or her direct influence on their behavior. The effects were especially relevant in administrative, staff, production, and marketing groups. In better-educated, shorter-service, younger groups, especially those whose members were primarily female, such as clerical and service groups, less importance was given to the role of the supervisor and greater importance was given to the behavior of peer members of the group.

Caveat. The return for effort needs to be an equitable exchange for the team members (Naylor, Pritchard, & Ilgen, 1980) and must also meet social and transformational objectives (Sivasubrahmaniam, Murray, & Avolio, 2002). Group efforts are superior to the average individual operating alone. However, there are notable exceptions. A survey of 15% of 4,500 teams in 500 organizations mentioned inadequate conflict management and group problem solving as barriers to team effectiveness. And 80% noted as shortcomings of team organization instances where rewards, appraisals, and compensation were based on individual, not team performance. Also, group effectiveness was limited by individuals’ competitiveness (Koze & Masciale, 1993). Carless, Mann, and Wearing (1995) reported that team cohesion was even more highly correlated with team performance than transformational leadership. But Erwin (1995) failed to find that team cohesion predicted team performance.

Leadership and Team Performance. The team narrows the range of possible leader–individual subordinate interactions in the interests of equity and time and because of the team’s expectations about its leadership. The leadership is evaluated on the basis of the team’s quantity and quality of productivity, service, and costs, the team’s ability to work together, the team members’ satisfaction and development (Hackman, 1990), and the performance of the teams rather than on the performance of their individual members (Schriesheim, Mowday, & Stogdill, 1979). The leader’s contribution to the team’s productivity is likely to be reduced by faulty group interaction processes (Steiner, 1972) or enhanced by “assembly bonus effects” (Collins & Guetzkow, 1964), which occur mainly with difficult tasks (Shaw & Ashton, 1976). That is, above and beyond individual members’ capabilities to deal with the task they face, faulty leader-team interactions may result in performance that is worse than if the members had been free to work alone and to remain uninfluenced by the leader. Nonetheless, when members work in a well-led team, their performance is likely to be better than what might have been expected from a simple pooling of their individual capabilities as members (Bass, 1980).

Measuring Team Attributes

By the late 1940s, Hemphill (1949b) and Hemphill and Westie (1950) had published reliable and valid measures of group dimensions, such as status differentiation, group potency, and cohesion. Fleishman and his colleagues completed a program of investigations about team performance involving refined measures of human abilities, tasks, and contexts (Fleishman & Quaintance, 1984). Seven dimensions of team performance and refined ways to measure them were developed: (1) orientation, assignments, and exchange of information; (2) distribution of resources to match tasks; (3) timing and pacing; (4) response coordination; (5) development and acceptance of team performance norms, reinforcements, conflict resolution, and balanced competition and cooperation; (6) monitoring system and individual adjustment to errors; (7) monitoring individual and team level procedures and adjusting to nonstandard activities (Fleishman & Zaccaro, 1992). Two among the many team survey inventories that have been created since then are the Bass and Avolio (1993) Team Multifactor Leadership Questionnaire (TMLQ), and the Elliott (1997) Linking Skills Index (LSI). The TMLQ deals with the shared transactional and transformational leadership behavior within the team as a whole. Team variables such as collective efficacy, team trust, team potency, and team cohesiveness have been added. The LSI measures 11 dimensions, including the extent to which the team displays quality standards, setting objectives, participative decision making, delegation, active listening, and satisfactory work allocation. At a more microanalytical level Coovert, Campbell, Cannon-Bowers, et al. (1995) applied graph theoretical petrinets (Reisig, 1992) to quantitative analysis of effective and ineffective laboratory team coordination. Petri-nets made it possible to describe moment-to-moment interactions among team members and to distinguish between effective and ineffective processes, strategies, and behaviors (Salas, Dickenson, Converse, et al., 1992).

Team Development

Stages in the Development of Groups into Teams. The consistency and importance of the phases in a group’s development were noted and observed by many investigators. Leaders have to learn to respect these phases. Thus, Terborg, Caetore, and DeNinno (1975) demonstrated that groups must work together for some time before they can begin to behave as a team. The early period is crucial. Eriksen (2003) compared high-and low-performing teams. The high-performing teams, early on, started off well and progressed well until completion of their projects. The low-performing teams faltered in getting started and never fully recovered.

In one of the early studies of group development, Bales (1950) observed that small groups consistently exhibit phases in their problem-solving behavior. Bales and Strodtbeck (1951)1 demonstrated that after an introductory polite stage, the second phase in the development of small groups tends to involve a great deal of tension because of the members’ competition for leadership and the stabilization of the status structure. Thus, Heinicke and Bales (1953) observed that emergent leaders tended to be rated high in initiating suggestions and opinions in the first session and at the beginning of the second session, but during the second session, they began to engage in an active struggle for status. After consolidating their position in the second session, they became less active in the third and fourth sessions, permitting other members to play more active roles. But the leaders’ opinions and suggestions were still accepted. The leaders did not have to make as much effort to win their points.

In a detailed study of the first two stages of unstructured small experimental teams, Geier (1967) instructed some participants in a team task. Members entered their teams without an assigned role. The leader was the member whom the members perceived by consensus as having made the most successful attempt to influence the team. Stage 1 involved the rapid and painless elimination of contenders with negative characteristics. The second stage involved an intense struggle for leadership and the further elimination of competitors. Only 2 of 80 members in the various teams studied made no effort to gain leadership. Those who were uninformed, unparticipative, and rigid and hindered the attainment of goals were eliminated first. Attempts to recruit lieutenants and to gain the members’ support were most obvious in Stage 2. The roles of lieutenant developed in 11 of 16 teams. Of the 11 lieutenants, 7 had been contenders for leadership in Stage 1.

Tuckman (1965) reviewed some 60 studies involving experimental, training, and therapeutic groups. An analysis of these studies suggested two additional stages of development through which the groups had to go to reach full group maturity. The first two stages of forming and storming were like stages of politeness followed by conflict. Forming was characterized by testing and orientation; storming was characterized by intragroup conflict, status differentiation, and emotional response. The third stage was norming, characterized by the development of group cohesion, norms, and intermember exchange; and the fourth stage was performing as a team, marked by functional role interrelations and the effective performance of tasks. These stages of forming, storming, norming, and performing could overlap in some groups and alternate in others (Heinen & Jacobsen, 1976). The emergence and success of the different kinds of leadership that were needed could clearly be connected to each of these phases. For example, Erwin (1995) suggested that during the stages of norming and storming, compared to any external leadership, the internal team leadership was more important to the team’s effective development. Nevertheless, Pearce and Rode (2001) showed that for 71 teams in a program of change, the amount of enablement by higher-level management (providing needed resources, training, and support) correlated from −.28 to −.35 with the teams’ prosocial behavior, commitment, effectiveness, and absence of social loafing.

Re-forming. The development of teams continues into further stages (Gersick, 1985). About halfway through the life cycle of problem solving as groups and teams (which presumably have reached the fourth, performing, stage), the teams reform themselves. During this re-formation, groups reevaluate their progress to date, reach agreement on final goals, revise their plans for completing their assigned task, and refocus their effort toward completing the task. Following this re-formation, they concentrate more of their efforts on the critical aspects of performing the task and focus on accomplishing their task to meet the stated requirements. Near the completion of the task, efforts are made to shape the team product so it will fit environmental demands. Work is finalized, consistent with the requirements of the situation.

Structure and Purpose. Avolio and Bass (1994) conceived the stages in group development as going from unstructured groups to highly structured teams based on sharing of purposes, commitments, trust, drive, and expectations. In unstructured groups, there is no clear agenda or assignments; members are confused or conflicted about responsibilities and perspectives. Direction may be irrelevant to the group’s reason for existence. In highly structured teams, there is close monitoring by the members of one another for any deviations, which are then addressed. Rules are strictly enforced. Members are unwilling to take risks.

A team begins as a group without a necessarily shared purpose, commitment, trust, or drive. It becomes structured into a team and becomes fully developed when it reaches a high degree of shared purpose, commitment, trust, and drive (Avolio & Bass, 1994). The mental stage of the team as a team is important to the emergence of leaders and the effects of leadership. For example, different leaders emerged in successive stages of therapy in a psychiatric ward (S. Parker, 1958). Likewise, Sterling and Rosenthal (1950) reported that leaders and followers changed with different phases of the group process; the same leaders recur when the same phases return. Kinder and Kolmarm (1976) found that in 23-hour marathon groups (night-and-day-long sensitivity training groups), gains in self-actualization were greatest when initially highly structured leadership roles were maintained early in the groups’ development and switched to low-structured leadership roles later in the groups’ development. Okanes and Stinson (1974) concluded that more Machiavellian persons were chosen as informal leaders early in the development when groups could still improvise; once the groups became more highly structured teams, however, Machiavellian persons were less likely to be chosen as leaders. Vecchio (1987) concluded that the one aspect of the Hersey-Blanchard model (1977) that had validity was the utility of using directive leadership early in the group’s development and then employing more participative leadership for the group as it matured.

Figure 26.1 Model Linking Leadership to Group Outcomes

Image

SOURCE: Adapted from Schriesheim, Moday, and Stogdill (1979). (Modifications are shown in parentheses. Effects of leadership on group outcomes are not shown.)

On the basis of a review of the literature, Stogdill (1959, 1972) identified three possible main effects of the leader on organized groups: productivity, drive, and cohesiveness. The rational model (Figure 26.1) created by Schriesheim, Mowday, and Stogdill (1979) proposed that a group’s drive and cohesiveness interact with each other to generate a group’s productivity. In the model, supportive or relations-oriented leadership behavior interacts with instrumental or task-oriented leadership behavior to promote a group’s drive and cohesiveness. All this occurs in the context of the group’s development, which also contributes to the group’s drive and cohesiveness and results in more effective interaction among its members. Then, if the group as a team has the competence to complete the task and accepts the responsibility for doing so, its productivity increases; the satisfaction of members with one another is greater; and the members’ tendency to be frequently absent or to quit is reduced. According to a meta-analysis by Salas, Mullen, Rozell, et al. (1997), role clarification and structuring relationships were keys to successfully developing teams and their performance.

Leaders Make a Difference in Team Structure. Leaders differ in how much they affect the extent to which the intended structure of relations within a team and its input and outputs is actually the enacted structure. In a study of 39 work groups in three organizations, Inderrieden (1984) found that, along with the uncertainty of the task, the leaders’ need for power and self-actualization were the strongest predictors of the actual structure of the work groups.

Effective leadership allows groups to move systematically through the necessary developmental stages. Groups that are unable to develop a differentiated leader-follower role structure will be unable to engage in the effective performance of tasks (Borgatta & Bales, 1953b). Conversely, groups with a high degree of consensus about their leadership will be more effective and better satisfied than will those that do not reach such a consensus. De Souza and Klein (1995) conducted an experiment using 468 college students in initially leaderless quartets of four with tasks and goals. Groups with emergent leaders outperformed groups without such leadership. The emergent leaders had greater ability for the task and commitment to the group goal. The clarity of leadership in 170 health care teams was related to clear team objectives, high levels of participation, commitment to excellence, and support for innovation (West, Borrill, Dawson, et al. (2003).

Stages and Outcomes. Avolio, Jung, Murray, et al. (1996) studied the shared team leadership of 188 undergraduates in teams of five to seven members early and late in the semester. They used the Team MLQ. The expected correlations with outcomes in extra effort, effectiveness, and satisfaction declined from the early phase to the late phase, but inspirational motivation increased in correlation with collective efficacy from .33 to .63 and with potency from .49 to .66. For contingent reward, increases were recorded from .11 to .63 with collective efficacy and .18 to .63 with potency. Passive and active management by exception showed little change.

Stogdill (1972) suggested that the cohesiveness, drive, and productivity of a team are closely related to its developmental stage and what is required of the team leader. The team’s drive appears in every stage, but the arousal and tensions of the second stage of storming most closely reflect the amount of that drive. The specific tasks that the team is motivated to perform, however, may differ across the stages. Thus, for instance, in the second stage, the team’s drive is directed toward evolving a structure for the team. In the third stage, it operates to develop greater cohesiveness. In the third stage (norming), roles have finally been accepted and communication has improved; team cohesiveness emerges. In the fourth and final stage, effective performance of the task, team productivity is seen.

The functions of the leader depend on the stage of a group’s development. For instance, relations-oriented leadership behavior will contribute to the team’s need to develop cohesiveness in the third stage (norming), and task-oriented leadership behavior will facilitate the team’s accomplishment of the task in the fourth stage (performing).

Stages and Role Boundaries. The team’s development can be seen in the stabilization of the role boundaries of the individual members, including those of the leader. The role boundary set of any member encompasses the acts that the other group members will accept. Boundaries are established by fairly stable role expectations that are often conveyed by the leader. In group experiments by Gibb (1961), one leader with a permissive leadership style was followed by another with a restrictive style, and vice versa. In other groups, one leader was followed by another with the same style. Group members accepted and responded more readily to leaders who followed other leaders with the same style of either latitude or restriction in the members’ prescribed range of behaviors. The members were also less defensive and more productive in problem solving. Expectations were built quickly, with minimum cues, and survived over long periods. Esteemed and influential members—those frequently nominated as such in sociometric tests—tended to stay within the realistic boundaries prescribed by the group. Individuals who were less frequently chosen were those more likely to violate the boundary specifications. (Perhaps those who were chosen more often had a wider range of behaviors and more role space in which to move.) The members responded to an individual member’s role actions outside the role’s boundaries by pretending not to see or hear the behavior, ignoring it, engaging subtle fighting or open rebellion, isolating the member, or forcing his or her withdrawal.

Given the power of norms, groups tended to select goals and perform activities that were commensurate with the norms. To exert influence, the behavior and goals of the leader had to be consonant with the group’s goals. But high levels of defensiveness in the group prevented the effective exercise of such influence. The leadership also needs to take into account whether members conform to avoid criticism, to serve their own interests, to fulfill obligations, or to fit with the member’s values and principles.

Groups undergo an orderly reduction in defensiveness as they mature, according to J. R. Gibb (1964). While a group is forming, its members remain superficial and polite to each other and trust is low. After members have learned to trust one another (presumably after some storming), they learn how to make effective decisions and gain greater control over the choice of goals in the norming phase. With these better goals, they can make better use of the group’s resources.

Leadership and a Stable Structure

A stable structure of relations must be developed for a group or team to become cohesive (Heinen & Jacobsen, 1976; Sherwood & Walker, 1960; Tuckman, 1965). A leader has important effects on a group’s development of a stable structure (Heslin & Dunphy, 1964). Recognizing this fact, Bion (1961) found that if the discussion leader of a therapy group failed to provide structure, the members, striving to arrive at a structure, sought a leader among themselves. As was discussed in previous chapters, during the early stages of a group’s development, members may want and accept more direction. At this time, leaders may exert a greater influence on the stabilization of a group’s role structures and thus have a greater impact on the group’s cohesiveness.

In a study of Japanese nursery school children, Toki (1935) observed that early separation of an emergent leader from the group resulted in a disintegration of the structure of the group. The structure was more likely to hold up when the emergent leader left late in the group’s development. When an adult leader was introduced, the structure built around the child leader collapsed.

Effects of Groups and Teams on Their Leaders


Differences among groups that are likely to affect what the leader can and will do include the group’s drive, cohesiveness, size, compatibility, norms, and status. Earlier chapters looked at some of these effects from a variety of different perspectives.

Effects of Drive

Grant, Graham, and Hebeling (2001) noted from 32 case study reports about team projects that when the team members dedicated all of their time to the project and the project was of singular importance to the leader, the leader had to dedicate a great deal of time to the careful selection of skilled, compatible, and collaborative members. Bass, Flint, and Pryer (1957b) demonstrated that the motivation of all the members of a team affected the success of the leader. When all members are initially equal in status, an individual is more likely to become influential as a team leader if he or she attempts more leadership than others do. However, among highly motivated members, such attempted leadership was found to exert little effect on who emerged as a leader to influence the team’s decision. In the same way, Hemphill, Pepinsky, Shevitz, et al. (1954) showed that team members attempted to lead more frequently when the rewards for solving a problem were relatively high and they had a reasonable expectation that efforts to lead would contribute to the accomplishment of the task. Durand and Nord (1976) observed subordinates in a textile and plastics firm who felt that their success or failure was in the hands of forces outside their control. (Presumably they were lower in team motivation. They tended to see their supervisors as initiating more structure and showing less consideration.)

A team’s drive is likely to be high when members are highly committed. Members are more likely to want to expend energy for such teams. Gustafson (1968) manipulated members’ commitment to their student discussion teams by varying the extent to which grades for a course depended on the team’s performance. Less role differentiation into leaders, task specialists, and social-emotional specialists was perceived by members with either a strong commitment or a weak commitment; that is, the three functions were not differentiated, but the teams showed less social-emotional behavior when their members were highly committed. In an analysis of 1,200 to 1,400 subordinates’ descriptions of their teams, Farrow, Valenzi, and Bass (1980) found that directive leadership and delegative leadership were seen more frequently when the subordinates’ commitment to the teams was high.

Effects of Cohesiveness

Group cohesiveness has been defined in many different ways. It has been defined as the average member’s attraction to the group (Bass, 1960) and as all the forces acting on members to remain in the group (Festinger, 1950). It has been conceived of as the level of the group’s morale (C. E. Shaw, 1976), the individual needs satisfied from group membership (Cartwright, 1965), and the extent to which members reinforce one anothers’ expectations about the value of maintaining the identity of the group (Stogdill, 1972). It has been identified by highly correlated variables such as the members’ commitment to the group, the presence of peer pressure, the felt support from the group, and the absence of role conflict in the group. For some, it has meant valued group activities, group solidarity, willingness to be identified as a member of the group, and agreement about norms, structure, and roles.

Podsakoff, Todor, Grover, et al. (1984) collected data from 1,116 mainly male employees working in a variety of city and state government agencies. Cohesiveness significantly increased the employees’ satisfaction with supervisors who practiced a good deal of contingent rewarding. It significantly decreased satisfaction with supervisors who engaged in a lot of noncontingent punishment. Cohesion had no significant effect on satisfaction with supervisors who were contingent punishers or noncontingent rewarders. According to Dobbins and Zaccaro (1986), cohesiveness moderated the effects of leaders’ consideration and initiation of structure on subordinates’ satisfaction among 203 military cadets. Leaders’ consideration and initiation of structure was correlated more highly with subordinates’ satisfaction in cohesive compared to uncohesive groups.

Drive and Cohesiveness. The motivation of a group includes its drive along with its cohesiveness. The drive of a group refers to its level of directed energization; the cohesiveness of the group is the level of attachment of the members to the group and its purposes. Clearly, the two are related in that both increase with the extent to which the group and its activities are valued by the members. Nevertheless, many investigations have focused on one or the other. The drive and cohesiveness have been merged by focusing on the members’ loyalty, involvement, and commitment to the group (Furukawa, 1981). Stogdill (1972) conceived group drive to be the arousal, freedom, enthusiasm, or esprit of the group and the intensity with which members invest their expectations and energy on behalf of the group. Steiner (1972) defined group motivation similarly as the willingness of members to contribute their resources to the collective effort. Zander (1971) found such motivation to depend on the members’ desires to achieve success and avoid failure, as well as their previous history of success (Zander, 1968) and pressures for high performance (Zander, Mcdow, & Dustin, 1964).

Although drive and cohesiveness ordinarily are correlated, Stogdill (1972) concluded, from a review of 60 studies, that under certain circumstances, the level of group drive (or team drive) conditions the relationship between productivity and cohesiveness. Under routine operating conditions and low drive, team productivity and cohesiveness tend to be negatively related, while under high drive, they tend to be positively related. The seemingly paradoxical findings are readily explained when group drive is studied along with productivity and cohesiveness. When the team’s drive is high, members’ energies are directed toward its goal. If the team is also cohesive, the members will work collectively and productively toward that goal. On the other hand, if the group’s drive is low, the members’ energies will be directed elsewhere. If the team also remains cohesive, the members will reinforce one another’s tendencies to ignore the team’s productive goals and seek satisfaction from nonproductive activities.

Expectations, Solidarity, and Identification. Avolio and Bass (1994) observed that the expectations of unstructured, uncohesive groups were lower than those of more structured, cohesive teams and that expectations were exceeded in high-performance, highly cohesive teams. Borgatta, Cottrell, and Wilker (1959) studied groups that differed in the members’ expectations about the value of group activities. The higher the initial expectation, the higher the final level of satisfaction for groups as a whole. Leaders of low-expectation groups changed their assessments more than leaders of high-expectation groups did.

The ease of the flow of influence between the leader and followers was expected to be associated with cohesive social relations (Turk, Hartley, & Shaw, 1962). Theodorson (1957) found that the roles of task leader and social leader were combined in cohesive groups but were separated in poorly integrated groups. Weak group cohesiveness provided a condition under which those who scored high in sociability attempted to develop cooperation through increased interaction, while those who scored low in sociability tended to remain passive (Armilla, 1967).

Gergen and Taylor (1969) demonstrated that high-status participants, when presented to a group in a solidarity setting, tended to meet the group’s expectations but failed to meet expectations when they were presented in a productivity setting. Low-status participants in the productivity context presented themselves more positively; in the solidarity condition, they became more self-demeaning.

Acceptance of a group’s leaders is linked to identification with the in-group. Bulgarian or Yemenite immigrants to Israel identified themselves first as Jewish, then second as Bulgarians or Yemenites. As a consequence, they could more easily support and follow Israeli leaders. On the other hand, Israeli immigrants who identified themselves first as Germans, Americans, or Moroccans were more likely to accept the Israeli leaders only if their self-evaluation was not rooted in the old country (Eisenstadt, 1952).

Implications for Structuring. Arguing that norms, structure, and roles are clearer in cohesive groups, J. F. Schriesheim (1980) proposed that initiation of structure by the leader is redundant in cohesive groups. But more initiation by the leader is likely in groups in which cohesiveness is low, groups that have less of a normative influence on members, and groups in which the members are more likely to be dependent on the leader than on the group. An analysis of data from 43 work groups in a public utility supported Schriesheim’s proposition by showing that satisfaction with supervision, role clarity, and self-rated performance correlated much more highly with initiation of structure by the leader if the groups were low rather than high in cohesiveness. Schriesheim also expected that the leaders’ consideration would contribute to the subordinates’ role clarity only in groups whose cohesiveness was high. Again, her supposition was borne out. She found a correlation of .31 between the leaders’ consideration and the subordinates’ role clarity in highly cohesive groups but corresponding correlations of −.05 and −.04 in groups in which cohesiveness was medium or low. Schriesheim inferred from these results that highly cohesive groups provide members with clear roles and that clarity is reinforced by supportive, considerate leaders. Such groups have little need for additional initiation from their leaders. Leaders need to structure such groups less tightly (House & Dessler, 1974). Again, consultative leadership will yield more subordinates’ satisfaction if the leaders feel that members are highly committed to the group and its goals (Farrow, Valenzi, & Bass, 1980).

Effects of the Group’s Agreement about a Leader. The leadership process is affected by whether the immediate group is in agreement on who will lead it. Agreement among the members about who should lead was found to be correlated with greater group cohesiveness (Shelley, 1960a) and with more frequent attempts to lead (Banta & Nelson, 1964). Bales and Slater (1955) obtained results showing that three different roles of members tended to emerge in groups that did not reach a consensus on who should lead: an active role, a task specialist role, and a best-liked-person role. In groups that had attained such a consensus, less role differentiation occurred; the active and task specialist roles were performed by the same member. Harrell and Gustafson (1966) reported that in groups lacking consensus, an active task specialist role emerged along with a best-liked-member role. Role differentiation occurred less in both their high-and low-consensus groups than in Bales and Slater’s study. In addition, attractive groups and those with the most interesting tasks tended to exhibit the least role differentiation.

Harmony and Cooperativeness. Consultation by the group leader was more frequent in work groups that were described by their members as harmonious and free of conflict (Bass, Valenzi, Farrow, & Solomon, 1975). Groups with cooperative members, compared with groups with competitive members, were more likely to develop leaders, evaluate fellow members more favorably, show less hostility, and solve their problems as a group more rapidly (Raven & Eachus, 1963). This finding is consistent with the conventional wisdom that suggests that it usually benefits the organization to encourage competition among groups with independent tasks but that competition should be discouraged within the groups.

Compatible Members. Groups composed of compatible rather than incompatible members are better able to elect competent leaders. They are also better able to use the resources and abilities of their members, since they are more likely to elect leaders who allow the highly competent members enough freedom to express themselves and to influence the groups’ performance (W. C. Schutz, 1955). Lester (1965) found that the emergent leader among the highly task-oriented members of an American Mount Everest climbing expedition was able to be more relations-oriented.

Thelen et al. (1954) factor analyzed the self-and group descriptions made by members of a discussion group. Five clusters of members were identified. Cluster A, composed of members who rejected fighting and pairing, made significantly more leadership attempts than did any other cluster. It preferred structure and cohesiveness, which prevent undue domination and intimacy. Cluster B, with ego needs for intimate relationships, showed little interest in differences in status. Cluster C, which preferred to avoid power struggles or responsibility, rejected competition for leadership. Cluster AC, which rejected fighting, supported and looked to the leader to support their status needs. Cluster BC, which accepted fighting, supported the leader and attempted to mediate conflicts to maintain the group’s cohesion.

Effects of the Group’s Size

Increased size affects a group’s leadership. It brings with it reduced opportunities to lead, more responsibilities and demands on the leader, and a possible widening of the span of control.2 As the size of the group increases, the number of interactional relationships among members increases at an extremely rapid rate. Graicunas (1937) deduced that a leader with two subordinates can interact with them both singly and in combination. The contacts can be initiated by the leader or by the subordinates, so that six relationships are possible. With four subordinates, the number of possible relationships is 44. With six subordinates, the number of possible relationships is 222. Graicunas concluded that executives should not have more than four or five subordinates reporting to them directly; because of the time required for personal contacts. Nevertheless, surveys of industrial executives3 indicated that corporation presidents may have from 1 to 25 assistants reporting to them. The average in the several surveys ranged from five to nine immediate assistants. But the evidence accumulated over the years indicates that five to seven is an optimum size for most groups, with the task determining whether smaller or larger size is most efficient (Bass, 1981). Data collected between 1993 and 1995 for 74 software product teams were found by Carmel and Bird (1997) to have a median membership size of five. The researchers accounted for the effectiveness that results from keeping team size small. It makes possible close communication and participation of all members in decisions.

Opportunities to Lead. The size of the group affects the emergence of a leader. Bass and Norton (1951) reported that the opportunity of any single member to take on the functions of leadership in a group decreased as the number of members increased.4 In agreement, Hare (1962) reviewed several studies that suggested that as the size of the group increases, individual members have less opportunity to talk and to attempt to lead. Fewer members can initiate leadership acts. Again, Warner and Hilander’s (1964) study of 191 voluntary organizations in a community found that the involvement and participation of members decreased as the size of the organization increased. To the contrary, J. H. Healy (1956) found that for chief executives of corporations, subordinates’ involvement in policy making was greater as the number of immediate subordinates increased.

As the size of a group increases, more differences appear in the members’ tendency to be talkative and in their attempts to be influential (Bales & Slater, 1955). In groups that ranged from 2 to 12 members, Bass and Norton (1951) reported that such differences increased directly with the increase in the size of the groups, and reached the maximum in groups of six members. But contrary to most researchers, Kidd (1958) found no relation between the size of a group and increases in the differences among members’ influence in groups of two, four, or six members. Blankenship and Miles (1968) also noted that the size of the units they led was less important to the decision-making behavior of executives than was their organizational level.

Changes in Leadership Style and Effects. Hemphill (1950b) studied groups with leaders whom the group members considered to be superior. He found that as the size of the groups increased, the members made greater demands on the leaders. Larger groups made significantly stronger demands on the leaders’ strength, reliability, predictability, coordination, impartial enforcement of rules, and competence to do the job. At the same time, larger groups required less consideration from the leaders for individual members.

Pelz (1951) observed that small groups were better satisfied with leaders who took their part than with those who sided with the organization. Larger groups (10 or more members) were better satisfied with leaders who supported the organization. Medalia’s (1954) results indicated that as the size of the work unit increased, workers’ perception of their leaders as “human relations–minded” decreased. Goodstadt and Kipnis (1970) found that as the size of the groups increased, supervisors tended to spend less time with poor workers and to give fewer pay raises to good workers. In 100 randomly selected chapters of the League of Women Voters, J. Likert (1958) found that officers engaged in more activities as the chapters increased in size, but the chapter presidents exhibited less interest in individual members’ ideas. Consistent with all these findings, Schriesheim and Murphy (1976) found that the leaders’ initiation of structure was related to satisfaction of members in larger work groups and that the leaders’ consideration was related to the satisfaction of members in smaller groups. However, Greene and Schriesheim (1980) showed that instrumented leadership was actually most influential in affecting drive and cohesiveness in larger work groups, while supportive leadership was most influential in smaller work groups.

A meta-analysis by Wagner and Gooding (1987) of 7 to 19 studies of the effects of participative leadership on various outcomes found that the positive correlation of perceived participative leadership with perceived satisfaction of subordinates remained at .44 and .42, respectively, in small and large groups, but the correlation between participative leadership as perceived by members and their acceptance of decisions fell from .44 in small groups to .31 in large groups. When independent sources of leadership and outcome data that were free of single-source bias were correlated, the results again fell for the acceptance of decisions, from .27 to .20, and for satisfaction from .25 to .03. Thus overall, participatory leadership practices generally had more salutary effects in smaller than in larger groups.

Kipnis, Schmidt, and Wilkinson (1980) reported that when trying to be influential, supervisors of large groups were likely to choose impersonal tactics such as assertiveness and appeals to a higher authority instead of more personal influence tactics such as ingratiation and bargaining. In small groups, relatively more personal and fewer impersonal tactics were employed by the same supervisors. This finding may explain why a small span of control does not produce close supervision (Bell, 1967; Udell, 1967).

Changes in Requirements. Thomas and Fink (1963) reviewed several studies that concluded that as groups enlarged, the leaders had to deal with more role differentiation, more role specialization, and more cliques. Slater (1958) noted that the stabilization of a group’s role structure became increasingly difficult with increasing size of the group.

Hare (1952) studied boys in groups ranging from 5 to 12 members. Leaders were found to exert more influence on decisions in the smaller groups, but the leaders’ level of skill was not related to influence. The larger groups demanded more skill from their leaders. In large groups, the leaders’ skill was positively correlated with the increased movement of members toward group consensus. Yet, in a comprehensive summary of personal factors found to be associated with leadership in natural and experimental groups, R. D. Mann (1959) noted that in groups of seven or smaller, intelligence seemed a little more important to leadership than adjustment; but in larger groups, adjustment increased slightly and intelligence decreased slightly in correlation with leadership.

Antecedents. Guion (1953) and G. D. Bell (1967) found that first-level supervisors tended to supervise fewer subordinates as the complexity of the job increased. The number of subordinates of chief executives tended to increase with the growth of the size of firms, according to J. H. Healy (1956). His results suggested that individuals differ in their ability to interact and that many who become leaders of very large organizations are able to interact with 12 to 15 or more assistants without feeling overburdened or pressured for time. Indik (1964) surveyed 116 organizations that ranged in size from 15 to 3,000 members and found that as organizations increase in size, they take on more operating members before they add new supervisors.

Confounds. Indik (1963, 1965a) cautioned that most generalizations about the effects of size are confounded by other factors. Two of these factors are the greater cohesiveness to be found in the smaller group, and the optimum size for the group’s task. In a survey of 5,871 workers from 228 factory groups that ranged from 5 to 50 members, Seashore (1954) found that the smaller groups were also more cohesive. The same was true for the conference groups studied by N. E. Miller (1950).

As was noted, demands on a leader’s initiatives increase along with the group’s size, and the potential of the leader or members to interact individually with one another decreases as the group enlarges. If additional members are superfluous and unnecessary as far as the completion of a team’s task is concerned, effectiveness and satisfaction are likely to suffer with an increase in the number of members. For any given task, there is an optimum-size team. Two people or even one person may be adequate and optimal for many tasks; five or six appear to be optimal for discussion groups (Bass, 1960). A larger number of different kinds of experts are likely to be needed for complex tasks whose completion requires skills and knowledge from many disciplines. The leader may need to deal with teams that are suboptimal in size or too large for the team’s task. When the team is too large for the task, the leader may need to initiate more structure so members do not get in each other’s way. When the team is too small for the task, the leader may need to provide for more time and resources or reduce the team’s goals.

Effects of the Status and Esteem of the Group or Team

Some groups in a large organization are seen as more valuable and critical to the organization’s success than are other groups. For example, line groups are likely to be considered more important than staff teams. Prestige also may vary. Thus the biology department may be perceived as more prestigious than the agriculture department at a university. Groups of skilled craftsmen may be thought of as more prestigious than groups of assembly line operatives. The reputations of groups of the same type may vary as well. For instance, one biology department may be viewed as ossified, while another is seen as being at the forefront of the field. Similarly, one group of skilled craftsmen may be seen as quarrelsome, recalcitrant, and hard to please, whereas another group may be considered highly efficient, competent, and dependable. Fried (1988) showed that within organizations like hospitals, the relative power of the nurses group, administrative staff, and physicians’ group were seen, particularly by the nurses, to depend on the centrality, nonsubstitut-ability, and coping with uncertainty of their respective roles.

Leadership within these different groups is likely to be affected in several ways. It will be easier to attract and hold members in the groups that have higher status and esteem. Members of these more highly valued groups will have relatively more influence with their leaders. In turn, their leaders will have more influence when they represent their groups in dealings with higher authority and with representatives of other groups at the same organizational level.

Functionally Diverse, Cross-Functional, and Multi-functional Teams. Leading a faculty group from different departments and disciplines is described as akin to herding cats. Yet diversity of education, profession, interest, knowledge, abilities, and departmental location in organizations is commonplace. Such functional diversity is witnessed in bringing together, on a regular or ad hoc basis, the vice presidents from the different divisions of the organization to generate policy suggestions; the scientists, engineers, and production heads to staff a functionally diverse team to innovate a new product; or the psychologist, social worker, psychiatrist, and nurse to discuss treatment of a mental health patient. Functionally diverse teams are expected to make better, more informed decisions but have a harder time reaching consensus. They help the leadership by facilitating organizational processes (Bantel & Jackson, 1989). They can help the top management interpret environmental ambiguities and reduce uncertainty (Zaccaro, Rittman, & Marks, 2001). As expert teams, they contribute to surveillance of the outside environment for the leadership and provide boundary spanning (Ancona & Caldwell, 1988). The leaders of cross-functional teams need to be technically competent and particularly skillful politically and interpersonally. They need to understand how the different functions are relevant to the success of the team (Yukl, 1998). Additionally, Jassawalla and Sashittal (1999) suggest, cross-functional team leaders should emphasize informal, intense meetings and exchanges of information. Forums should be provided for airing of issues and clarifications. Every member’s response to decisions should be treated as important. Members should be replaced if they are unable to overcome protecting their own turf or show mistrust of others or lack of commitment to collective intentions. Constructive conflict and delays should be tolerated.

Waldman (1994) noted some problems of multifunctional teams. At Honda, they generated procrastination and divisiveness (where harmony is prized). Leaders had to intervene to avoid costly delays. Waldman mentions seven roles of these leaders: (1) careful staffing; (2) coordinating and facilitating rather than directing; (3) encouraging members to form links with one another and the team’s clients; (4) establishing group-based evaluation and incentives; (5) anticipating and tolerating mistakes; (6) eliminating impediments to team performance; (7) aligning individual members’ and team goals. The leaders also need to maintain the vision, to be inspiring, to question assumptions, and to carry on in many other transformational ways.

Effects of the Group’s Norms

The group’s norms (its definition of tasks, goals, the paths to the goals, and the appropriate relationships among members) strongly affect what a leader can accomplish in the group as well as who will emerge as the leader. In turn, the leader often has an impact on group outcomes by influencing the group’s norms.

Frame of Reference. Sherif’s conception of the social norm exerted a marked influence on research on leadership. In an autokinetic experience, Sherif (1936) seated a subject in a darkened room and asked the person to observe a spot of light projected on a screen. The subject reported the distance that the light appeared to move. The average distance for several trials was recorded as the subject’s individual norm. When the subject was later placed with a confederate of the experimenter who uniformly reported a distance that varied markedly from that reported by the participant, the subject tended to change his or her estimates to conform to the group norm. Asch (1952) obtained similar results when a subject was asked to judge the length of lines after six confederates of the experimenter had rendered judgments that defied the senses. The confederates uniformly declared that the shorter of two lines was longer. It was the norm of the confederates, not any single emergent leader, that influenced many of the subjects.

Other demonstrations of the effect of group norms showed how these norms moderate whether actual leadership behavior will be perceived as such. Thus, in an experimental comparison, Lord and Alliger (1985) found that the correlation of group members’ perceptions of emergent leadership with actually observed leadership behaviors was greater when norms were established for members to be systematic rather than remaining spontaneous. Likewise, Phillips and Lord (1981) demonstrated that if a group was described as effective but members were led to believe that the group’s success could be explained by other factors than the leader, the group’s performance had less of an effect on the members’ ratings of the leader.

The Group’s History of Successes or Failures. Some groups and organizations have histories of success and high performance that contribute to their esteem, while others have histories of failure and low performance. For instance, different United Fund agencies were found by Zander, Forward, and Albert (1969) to be consistently successful or consistently unsuccessful in meeting the goals of their fund drives. In the same way, Denison (1984) reported consistencies in the rate of return on investments by companies over a five-year period. Some companies tend to do well continually; others always do poorly. Histories of success give rise to norms of success and high performance, while histories of failure give rise to norms of failure and low performance. Thus, Farris and Lim (1969) found that high-performance groups had higher expectations of their future success as groups than did low-performance groups. Leaders whose accession to office coincides with a failure when the groups have been accustomed to success will no doubt earn more blame than ordinarily. Conversely, leaders whose accession coincides with the success of previously failing groups will gain an unusual amount of credit, which may not be justified. According to experimental results obtained by Howell (1985), a role conflict condition will arise for members when performance norms are low but the leader is high in the initiation of structure, particularly in the pressure to produce.

Conformity and Deviation. Ordinarily, when a discrepancy exists between the opinion of one member and the rest of the group, the deviating member tends to move closer to the group norm. But if an extreme deviate refuses to yield, he or she will be rejected by the other members (Festinger, 1950, 1954; Schachter, 1951). Gerard (1953) and Berkowitz and Howard (1959) obtained results to indicate that leaders directed most of their communications to such deviates. If a deviate was unreceptive to accepting the majority point of view, the group tended to expel the deviate from the group psychologically. Raven’s (1959a) report of the results of an experiment noted that deviates would shift toward the norm if they could express their opinions both privately and in public. Presumably, the leader could make a difference by encouraging such expression by the deviates.

Conformity to Norms and the Leader. Scioli, Dyson, and Fleitas (1974) found that when conformity was demanded by college groups, the most dominant members became the groups’ instrumental (task-oriented) leaders. Thibaut and Strickland (1956) obtained results indicating that as the group’s pressure to conform increased (often pushed by the leader), more members increased in conformity under a group set, while more decreased in conformity under a task set.5 At the same time, McKeachie (1954) reported that the members’ conformity to the norms of their groups and liking for the groups were greater in leader-oriented than in group-oriented classes.

Newcomb (1943) conducted a study of social values on a college campus. He found that the most influential members represented the dominant values of the campus. Those who conformed in conduct but not in attitude possessed social skills but maintained close ties to their families. Those who conformed in attitude but not in conduct tended to lack social skills but regarded conformity of attitudes to be a mark of community acceptance and superior intelligence. Similarly, Sharma (1974) found that Indian students who were activists and prominent as leaders of demonstrations were concerned primarily with student issues, not with social change. The attitudes of these student activitists tended to reflect the traditional values of their communities regarding religion, caste, marriage, and family. Likewise, in a study of modernization in India that sampled 606 heads of households engaged in agriculture, Trivedi (1974) found that although opinion leaders may have accepted innovations in agriculture, they, like Sharma’s (1974) student activists, adhered to traditional religious beliefs and convictions. They differentiated agricultural from religious activities more fully in the process. (But in the United States in the late 1960s and early 1970s and in France in 1968, as in China in 1919 and 1989, the norms of student activists placed them in the vanguard of reform and revolutionary change.)

In a Hungarian study, Merei (1949) formed groups that were composed of submissive nursery school children. When placed in separate rooms, each group developed its own role structure, rules for play, and routine of activities. After these had become stabilized, a child with strong propensities to lead in play activities was introduced into each group. Although the new members were widely successful in gaining leadership positions, they were not able to change the norms and procedural rules of the groups. The groups had more of an impact on the leaders than the leaders had on the groups. Consistent with this finding, Bates (1952) showed that the closer that the behavior of individuals comes to realizing the norms of the group, the higher these individuals’ likely position as leaders in the group. However, many other investigators found that group leaders ranked higher in the assimilation of group norms because they were highly influential in the formation of the norms.6 Although leaders may be influential in establishing group norms, once the norms are adopted, they are expected to observe the norms (Hare, 1962).

O. J. Harvey (1960) found that formal leaders conformed more to group norms than did informal (sociometrically identified) leaders or other group members, especially under conditions of uncertainty. Mulder (1960) also found that the judgment of leaders was most influenced by other members when they, the leaders, were appointed in an ambiguous situation. But the emergent, informal leaders were the least influenced in the ambiguous situation without established norms.

When the Leader Can Deviate. The fact that leaders tend to be prime exemplars of their groups’ value systems is not to suggest that they are slaves to the groups’ norms (Rittenhouse, 1966). In fact, they may deviate considerably from the norms in various aspects of their conduct. In a study of sociometric cliques among teachers, Rasmussen and Zander (1954) found that leaders were less threatened than were followers by deviation from their subgroup’s norms. Leaders appeared secure enough to feel they could depart from the norms without jeopardizing their status. Similarly, Harvey and Consalvi (1960) found that the member who was second highest in status as a leader of a group was significantly more conforming than was the member who was at the top or bottom of the status hierarchy. The leader conformed the least, but not significantly less than the lowest-status member. Likewise, Hughes (1946) observed that members of industrial work groups let rate busters know in forceful terms that their violation of group norms would not be tolerated. However, the leaders of the work groups were allowed more freedom to deviate from certain group norms than were other members whose positions were less secure.

The Leader’s Need for Early Conformity. As was detailed in previous chapters, Hollander (1958, 1960, 1964) suggested that the early conformity of leaders to the norms of their groups gains for them idiosyncrasy credits that enable them to deviate from the norms at later dates without their groups’ disapproval (Hollander, 1964). The lesson for would-be leaders who wish to bring about changes in groups is that they must usually first accept the groups’ current norms to be accepted. Practical politicians often can bring about more change by first identifying with a country’s current norms and then moving the country ahead with statesmanship that takes the country where it would not have gone without the politician’s direction. Franklin Delano Roosevelt’s leadership of the isolationist United States into World War II is an illustration.

Acceptance and the Leader’s Freedom to Deviate. In a study of personnel in the U.S. Air Force, Biddle, French, and Moore (1953) found that the closer the attitudes of crew chiefs were to the policies of the U.S. Air Force, the stronger were their attempts to lead. Chiefs who accepted their role as supervisors used their influence to further the institutional goals and purposes. But the amount of such attempted leadership was not related to the extent to which the chiefs were accepted by the crew members. However, crew chiefs who were accepted by their groups deviated further from the norms and policies than those who were not accepted.

Effects of the Group’s Goals. Without doubt, the group’s purposes, objectives, or goals are predominant as norms of the group. Studies of experimental groups indicate that members readily accept or commit themselves to the defined task and seem to develop other norms in support of the norms of the task. Once the members understand and agree on the group’s goal, the goal operates as a norm against which the members evaluate one another’s potential for leadership. Goode and Fowler (1949) observed, in a small industrial plant, that the informal groups supported the company’s production goals despite the workers’ low satisfaction with their jobs. The authors attributed this outcome to leadership that provided clear statements of the groups’ goals; clear definitions of the members’ roles; and strong, congruent group pressures toward conformity from within and outside the informal group.

Members differ in their commitment to the goals of a group. The greater a member’s responsibility for attaining a goal, the stronger his or her commitment to the goal. Ordinarily, leaders exhibit more concern than do followers for the group’s attainment of its goals. The attainment of goals is used by members as a criterion for evaluating the group’s performance. Once members agree on their expectations for a group, these expectations operate as a norm that induces pressure for compliance. This makes routine leadership easier. The expectations also make leadership that attempts to move the group away from its chosen paths more difficult.

Stability of the Group

The group’s stability affects its leadership. B. D. Fine (1970) studied 151 members of an unstable pool of workers and 582 workers who were assigned to stable groups in a refinery. The groups did not differ significantly in coordination, communication, participation, decision making, satisfaction, or mental health. The unstable groups were higher than were the stable groups in motivation and the resolution of conflict. Leaders of stable groups were significantly stronger in facilitating interaction but not in support, the emphasis on goals, or the facilitation of work. Leaders of unstable groups exercised less control, and the workers in these groups expressed less need for freedom.

Other Group Effects

The group variables affecting leadership that have been discussed so far should be considered suggestive rather than exhaustive. For example, the source of information makes a difference. On the one hand, Woods (1984) observed more participative leadership in quality circles than in other group activities in manufacturing firms. Likewise, significantly more quality circles than other types of groups perceived their leaders to be highly participative. Nevertheless, the leaders themselves perceived no differences in their own behavior in the two situations. How the members are the same or different in attributes makes a decided difference in group outcomes. For instance, according to a meta-analysis by Bowers, Pharmer, and Salas (2000) the effectiveness of team heterogeneity depends not only on the nature of the task but also upon which variables the team members vary.

Experience in another group affects the attitudes toward leadership of those who subsequently become leaders. It also presumably affects their performance as leaders. Akhtar and Haleem (1980) showed that newly promoted superiors in an Indian hydroelectric power station exhibited the same attitudes toward initiation and consideration as the attitudes that had been the norm in the groups of employees from which they had come.

Bushe (1987) studied 415 managers’ attitudes toward quality-of-work-life (QWL) projects. Those who were involved in permanent problem-solving groups were most favorable, and those in temporary groups were least favorable toward such projects in comparison to those with no experience in problem solving in QWL groups. The quality of the team leader’s linchpin relationship linking each team project member with his or her superior was shown by McComb, Green, and Compton (2003) to correlate positively with the team project’s efficiency, members’ abilities, upper-management support, leader continuity, and team size.

The Effects of Leaders on the Group or Team


Just as characteristics of the group or team affect their leadership, the leadership of the team, whether from a single individual or shared among individuals, makes a difference in the team’s development. Leadership sets and achieves team goals, drive, cohesiveness, and the way the members work together and interact with each other. According to a meta-analysis of 50 empirical studies by Burke, Stagl, Klein, et al. (2006), task-focused leaders’ behavior-averaged (size-corrected) correlations of .36 with rated team effectiveness and .20 with team productivity. Person-focused leader behavior correlated .36 with team effectiveness, .28 with team productivity, and .56 with team learning. A detailed book of suggestions by D. Tjosvold and M. Tjosvold (2000) indicates the many and varied ways in which leaders can help their teams to become more effective.

Team Effectiveness

Leadership. The preceding chapters were replete with illustrations of the impact of the leader’s competence, personality, and style on the outcomes of the group. Leadership makes a difference in the team’s effectiveness, drive, and cohesiveness and on closely allied variables like the team’s collective efficacy and potency. For example, based on 32 cases, Grant, Graham, and Heberling (2001) concluded that where project managers lead a number of projects that compete for their attention, the credibility of the managers may suffer, there may be more competition for leadership among the team members, and the member’s commitment may falter. To further illustrate, Remdisch (1995) concluded from a German interview and survey study at an Opel automobile manufacturing plant of 86 shop floor leaders and 360 workers that the leaders played an important role in implementing group work. The meisters, the traditional supervisors, already had a history of good relations, trust, mutual regard, and respect from the individual workers, like that occurring between the noncom and the soldier in the Wehrmacht (Fukuyama, 1997). Nonetheless, those leading teams rather than individuals spent more time on cooperation, communication, and making decisions with workers. They needed less time to control line jobs, coordination, work performance, and quality. Again, the transformational leadership and contingent reward by platoon leaders and platoon sergeants significantly predicted observer-rated potency, cohesion and unit performance in 11 days of “on the ground” near-combat exercises of 72 U.S. Army light infantry rifle platoons (Bass, Avolio, Jung, & Berson, 2003).

Importance of Network Connections. According to a meta-analysis by Balkundi and Harrison (2006) of 37 teams in natural settings, team leaders are central in the network of relations among members within the teams that are effective. Their teams are central in the networks they share with other teams. A team’s effectiveness is affected by its social network structures. Teams with “densely configured” interpersonal ties are more effective and more committed. Team performance and viability are greater. Strong networks facilitate the timing of required sequences of members’ performance and members’ familiarity with them.

Obstacles to Avoid and Actions to Take for Effective Team Leadership. Team leaders need to avoid faulty decisions. They need to watch out for collective traps, where individuals, but not the teams, are rewarded and to avoid collective fences, where individual members ignore one another and fail to share information. The leaders need to deal with social loafing and free riders. They need to avoid groupthink (Janis, 1972). They need to suppress their own egos and go beyond their self-interests for the good of the team. They need to encourage the team members to do the same.

McGrath (1962) proposed that team leaders define the team’s goals and structure the team to enable maintenance and task activities to proceed (McGrath, 1962). For Kinlaw (1991), team leaders must manage with the teams’ norms and values in mind. They need to initiate actions, set examples, and join efforts. Team leaders need to champion the teams and be directive or participative as circumstances require (Bassin, unpublished). According to Zaccaro, Rittman, and Marks (2001), team leaders are responsible for making judicious choices in solving the problems facing the team. The leaders need to search for, organize, and evaluate information for use by the team in problem solving. They need to translate their mission into a plan and communicate it to the team. They have to acquire and utilize their personnel and material resources, ideally matching individual abilities and selected resources with team requirements (Hackman & Walters, 1986; Fleishman, Mumford, Zaccaro, et al., 1991) They have to help their members share a mental model of a team that gives, and make sense about the team and its mission (Zaccaro, Rittman, & Marks, 2001).

As Tannenbaum, Smith-Jentsch, and Behson (1998) found for team effectiveness, the group dynamics technologies developed in the 1950s need to be applied by team leaders. Leaders of effective teams facilitate their members’ discussions about teamwork, their critiques, and their feedback to each other. Giles and Mann (2003) showed that among 56 teams of 350 employees, boundary spanning was best done by the team leaders, not the teams. Morgeson (2000) found that the assistance of 34 leaders was needed by their 293 team members when disruptive, critical, urgent, and long-enduring team events, occurred such as a deficiency in resources, task-performance failures, missed deadlines, accidents, and conflicts. Leaders were more effective when they were proactive and assessed potential problems. In semiautonomous teams with external leaders (see below), event criticality and urgency were more disruptive and required the external leader to spend more time intervening (Morgeson & DeRue, 2006).

Leader Coordination. Leaders also contribute indirectly to team effectiveness by influencing team coordination that facilitates team effectiveness. First, they identify, plan, and integrate the team members’ prospective contributions that are likely to contribute to team effectiveness (Fleishman, Mumford, Zaccaro, et al., 1991). Then the team leaders develop, regulate, standardize, and monitor the necessary patterns of interaction among the members for team effectiveness (Zaccaro, Rittman, & Marks, 2001). Leaders’ briefings and team interaction training produced mental models, in 237 undergraduates in three-member simulated tank teams, that enhanced performance, especially in novel versus routine situations (Marks, Zaccaro, & Mathieu, 2000).

Integrating Athletic Cooperation and Competition. Sports team leaders are more effective and their teams are more successful if they: (1) integrate cooperation and competition among the team members—the team members are encouraged to help one another as well as strive to outdo each other; (2) try for early success, such as scoring the first goal in a hockey game; (3) avoid sustaining downward spirals of failure based on attributions of stable uncontrollability—the coach needs to influence the team members to consider a more optimistic outlook; (4) make practices opportunities for experimentation and innovation and accept that it is okay to try but fail; (5) use rest intervals such as half-times to review the preceding performance and decide on what might be improved in the remainder of the game; (6) keep the team membership stable so that teammates can learn to work together and combine their efforts—for all teams in the National Basketball Association between 1980 and 1994, those most stable were most likely to win games; (7) arrange for the team to study the videos of each game to provide different ways of analyzing what happened.

Effectively Organizing. The 149 British Iron and Steel Trades Confederation workplace representatives who indicated, compared to their peers, that their management introduced teamworking by delayering management, creating flexible job descriptions, and maintaining fewer pay grades, achieved greater product quality, more customer satisfaction, and greater market competitiveness (Bacon & Blyton, 2000). The extraordinarily gifted leader J. Robert Oppenheimer, led the Los Alamos laboratory team in the creation of the atom bomb. The highly effective team combined highly talented experts into an expert team. Invariably, the leaders of such “great groups,” according to Bennis (1997), call attention to what is important and why the group’s work makes a difference. They promote trust of the group in itself and the processes of turbulence. They favor curiosity and risk taking. They convey hope in tangible and symbolic ways that the group and team can overcome the obstacles to success. The leaders make more effective use of the team by assigning subparts of the task to individuals whose competencies best match the requirements of the subparts (Bass, 1960). They can also prevent premature closure in the team’s evaluation of alternatives (E. R. Alexander, 1979).

Cross-Training. More of the positive effects of working in teams and groups can be obtained by arranging for the cross-training of members so that one can fill another’s shoes in case of absence. Regularly scheduled meetings will ordinarily help (Dyer & Lambert, 1953), as will other ways of improving communications among the members. But many changeovers from individuals to teams are failures. They tend to lack quality leadership and management support. They are difficult to integrate into the management hierarchy. Many employees may feel that teams are a waste of time. They are unable to deal appropriately with freeloaders. The best workers may feel their performance goes unrewarded (Nahavandi & Aranda, 1994).

Leader Intervention. A leader’s questioning set can help members evaluate alternatives systematically. What current resource could be substituted, modified, combined, omitted, or reversed? (Osborn, 1953). The “rush to judgment” that often occurs can be avoided. Frequently, a single solution gets most of the group’s attention. Leaders can encourage more even participation by giving inactive members confidence and discouraging monopolizers. On the other hand, the leadership can achieve a more effective group outcome by recognizing differences in the competencies of the members. To some degree, the leader may have to encourage participation by the more competent members and discourage participation by the less competent members. Leaders can clarify the group’s goals and ensure agreement about them and an understanding of them. Leaders can help get the group to view its problem in such a way that the problem can be reorganized to increase efficiency. Even when the group feels satisfied with its solution, its return to the same problem a second time is likely to generate an even better solution (Maier & Hoffman, 1960b).

Optimizing Efficiency of Meetings. Leaders can make the difference in whether a team meeting optimizes its time, effort, and achievements. Leaders may be efficient or inefficient in their uses of group meetings. In discussing how he made interagency meetings more efficient, Colin Powell (1995, p. 332) remarked that when he was given the authority to chair functionally diverse meetings, after suffering “through endless, pointless, mindless, time-wasters for years,” he set rules for increasing the efficiency of interagency meetings he chaired: “Everyone could recommend items for the agenda, but I controlled the final agenda, which I distributed before the meeting. Once the meeting started, no one was allowed to switch the agenda.” The meeting was to last exactly one hour. In the first five minutes, Powell reviewed the purposes of the meeting and the decisions that had to be reached. In the next 20 minutes, participants presented their positions without interruption, followed by free discussion until the last 10 minutes, in which Powell summarized conclusions and decisions for five minutes and participants could state one-minute disagreements. Those remaining in disagreement could complain to their bosses. The meetings were certainly more efficient than the usual uncontrolled, rambling affairs, but were effectiveness and satisfaction sacrificed?

Leaders need to actively monitor whether meetings are on the right course and make corrective changes as needed. They need to pay attention to foot-dragging, signs of boredom, convoluted ways of getting things done, frustrations about individual roles, pessimistic attitudes about ability to carry out assignments, too much or too little structure, poor external relations, and lack of organizational support (Kanaga & Browning, 2003). Hackman and Johnson (1993) suggest that meetings should be called when necessary for clarifying, sharing objectives, and reaching consensus, but not if alternative communications that can achieve the same results are available or personal matters can be better handled individually. They agree with Powell about the need for clear agendas on which the meeting is focused and for the leader’s active, attentive listening. The advantages and disadvantages of virtual rather than face-to-face meetings will be detailed in Chapter 29.

Impact of Leadership on the Group’s Drive and Motivation

The preceding chapters were replete with illustrations of the impact of the leader’s competence, personality, and style on the outcomes of the group. Here I wish to call attention to the effects of leadership, in general, on the group’s effectiveness, drive, and cohesiveness and the variables that are closely allied with them, such as the group’s collective efficacy and potency.

As discussed earlier, charismatic and inspirational leadership has strong effects on the drive of a group since it correlates highly with individual members’ reports of extra efforts. Team leaders persuade their members to work hard for their own or the team’s benefit (Bass, 1985) and raise the collective sense that the team is capable of achieving its goals (Zaccaro, Blair, Peterson, et al., 1995). The leaders’ persuasiveness is aided by their nonverbal expressiveness and their emotional state (El Haddad, undated). Collective efficacy beliefs underlie the team’s drive. The beliefs derive from prior success experiences, observation of team performance, and the influences of leaders and members (Bandura, 1982). Leaders use the beliefs to build confidence (Kozlowski, Gully, Salas, et al., 1996). Drive is increased further by the leader encouraging the exchange of ideas and mutual support (Zacarro, Rittman, & Marks, 2001). Jung, Butler, and Baik (1998) demonstrated that for 47 groups of 217 employees of a large South Korean firm, transformational leadership correlated .36 with collective efficacy, which in turn correlated .66 with perceived group performance.

Cross-Lagged Effects. Greene and Schriesheim (1977, 1980) examined leadership behavior and group drive using a longitudinal design with 123 work groups. Using cross-lagged correlational, cross-lagged path, and corrected dynamic correlational analyses, they found that both instrumental (task-oriented) and supportive (relations-oriented) leadership behavior were causally antecedent to the groups’ drive.

Location. Medow and Zander (1956) found that group members who were in positions of centrality—and therefore more likely to exert leadership—exhibited more concern for the group’s goals than did members in peripheral positions.7 Central members selected goals in terms of the group’s probability of success, were more insistent that the group be correct, exhibited a stronger desire for the group’s success, and perceived themselves as having more influence than other members perceived them having.

Leader Presence. The presence of a leader can help team members remain interested in the goal of a task. Zander and Curtis (1965) reported that team members whose task performance was poorer than they expected tended to lower their aspirations. But they did not down-grade or reject the task as much when a leader was present.

Those who exert leadership tend to feel more responsible for the outcomes of their groups. E. Pepitone (1952) found that the more responsible a member’s role, the greater his or her concern for the success of the group. E. J. Thomas (1957) reported that when members were highly dependent on each other for the performance of a task, those who were able to facilitate the performance of other members worked harder for the group.

Zander (1971) showed that the leader’s feedback about the group’s performance and the leader’s reward practices had a positive impact on the group’s desire to achieve success. The absence of a leader to clarify the requirements of the task and the goals of the group resulted in the group’s spending considerable time in clarification and the quest for orderliness. Members of unorganized groups (J. R. P. French, 1941) and members of groups under a laissez-faire type of leadership (Lippitt, 1940a) frequently expressed a desire to get things organized, to buckle down to work, and to stick to the job that was supposed to be done.

Leaders’ Intentions. In a large-scale Swedish study, Norrgren (1981a) observed that the positive behavioral intentions of managers exerted considerable influence on the quality of the relations among the members of their work groups. The positive intentions also motivated subordinates to perform and increased how much challenge and stimulation the subordinates felt that they received from their jobs. J. Likert’s (1958) previously cited study of the chapters of the League of Women Voters showed that members were more active when the presidents were interested in their ideas (as in the smaller chapters). The members were also more active when the officers of the chapter believed that the members should have more influence on policies and activities. The members participated less actively in chapter activities when they felt pressure from the president but participated more actively under peer pressure and pressure from the leaders of their project discussion groups.

Transactional and Transformational Leadership. Transactional leadership can enhance team members’ drive and motivation in three ways. First, leaders make members aware that their contributions are necessary if the team is to reach its goals. Second, leaders arrange to reward individual members’ contributions to the team reaching its goal. Third, leaders arrange for the benefits to outweigh the costs. Free riding and social loafing are discouraged (Shepperd, 1995). Transformational leaders animate team members by highlighting the values of the team’s efforts to the members and to others, and the importance of the team’s success to the organization, community, or society.

Impact of the Leadership on the Group’s Cohesiveness

Leadership Style. Democratic, participative, and relations-oriented leadership behavior was found to contribute to the cohesiveness of groups in a number of studies.8 Smith (1948) obtained a positive correlation between group cohesion and supportive leadership in area management teams in En glish social agencies but not among local social work groups in these agencies. Similarly, task-oriented, directive leadership behavior was seen to increase cohesiveness according to many other investigations.9 Both types of leadership behavior were ascertained to contribute to the cohesiveness of groups in still other studies.10 In the Korean study noted above, Jung, Butler, and Baik (1998) found that transformational leadership correlated .65 with group cohesiveness, which in turn correlated .36 with collective efficacy. Linear regression programs for 72 U.S. Army platoons and their platoon leaders and sergeants showed that in addition to the strong direct effects of transformational leadership on the readiness of the platoons and the rated performance of the leaders and sergeants in simulated combat, platoon cohesion added indirectly to the effects on the platoons’ effective performance (Bass, Avolio, & Berson, 2002).

Regard for Mission and Leaders. According to a review of military leadership, Manning (1991) concluded that leadership promoted unit cohesion by providing clear and meaningful group missions. The missions and the risks undertaken needed to be seen by the unit soldiers as worthwhile. The unit cohesiveness of soldiers of the German Wermacht in the face of defeat in World War II was due not to the sharing of ideology but to the mutual regard and respect of the soldiers, noncoms, and officers. The cohesiveness supplied a sense of power, regulated relations with authority, and minimized self-concerns in battle (Shils & Janowitz, 1948). To promote cohesion in other military settings, units have been rotated as units so as to maintain bonding among the members, commitment to the unit, and mission accomplishment despite combat or mission stress (Meyer, 1982). In Vietnam, the U.S. military ignored the importance of unit cohesiveness; as a result, unit effectiveness deteriorated because of the rotations in and out of combat soldiers and their replacements. The lesson was learned, and now whole brigades are rotated simultaneously into and out of Iraq.

Cohesion of Leaders. Mael and Alderks (1993) found the importance of the cohesion of squad and platoon leaders in 60 platoons as they engaged in simulated combat. The 49 platoon sergeants, 54 platoon leaders (usually lieutenants), and 166 squad leaders were rated by the squad members of their platoon on whether “the leaders in this platoon work well together as a team,” “really care about each other,” and “pull together to get the job done.” This leader cohesion was rated somewhat higher by those higher in rank in the platoon. For the 1,012 squad members’ ratings, leader cohesion correlations of .48 were obtained with platoon-simulated combat effectiveness, .47 with job involvement and motivation, and .43 with identification with the army. The findings were consistent with the results for the ratings by the leaders and specially trained observer-controllers.

Integrated Concerns of Leaders. A leader of a work group who combines high concerns for the task with high concerns for relations, such as Misumi’s high-performance (P) and high-maintenance (M) leader, was expected to establish shared attitudes favoring a high level of performance. Indeed, such performance norms were the highest under Japanese high-performance and -maintenance leaders—PM types (mean = 17.3), followed by M-type leaders (mean = 16.5), P-type leaders (mean = 16.3), and low-performance maintenance—pm-type leaders (mean = 15.8). Using Jackson’s (1960) return-potential model of norms, Sasaki and Yamaguchi (1971) obtained results that were parallel to Misumi’s for 160 second-year Japanese junior high school students in 32 groups—16 groups of boys and 16 groups of girls. The point of maximum return (the point maximally approved by the group members) varied as follows: PM, 25.0; P, 20.0; M, 16.3; and pm, 18.8. The degree of agreement among members about a behavioral norm differed with the styles of their leaders as follows: PM, 3.02; P, 1.71; M, 1.63; and pm, 1.99.

Impact of Leadership on Collective Efficacy and Potency

An experiment with 268 undergraduates assigned to one of 59 teams showed that collective efficacy was enhanced when the leaders and members had confidence that they could fulfill the role requirements. The teams with the best performance had the highest collective efficacy (Taggar & Seijts, 2003). A transformational leader directly influences a team’s potency by raising its confidence of success (Guzzo, Yost, Campbell, et al., 1993). As noted above, the potency of 72 platoons in joint readiness simulated combat was raised if their platoon leaders were transformational (Bass, Avolio, Jung, & Berson, 2003).

Impact of the Leadership on Team Conflict and Emotions

Leaders may generate cognitive conflict with and among members over ideas and information. Such conflict can be constructive and help the group reach its objectives, but the leaders need to help the team reduce or eliminate affective and emotional conflicts that involve personal arguments, incompatibilities, and attacks (Zaccaro, Rittman, & Marks, 2001). Amason (1986) surveyed 48 top management teams and found that cognitive conflict, usually task-oriented, and matters of differences in opinion and judgment about how the team should achieve its objectives contributed to the team’s quality, understanding, and satisfaction with decisions. Emotional conflict had the opposite effect, as noted earlier by Katz (1977). Pirola-Merlo, Hartel, Mann, et al. (2002) demonstrated that transformational and facilitative leadership mainly had an indirect effect on the performance of 54 Australian R & D teams in the face of negative events and obstacles preventing team success. In the face of such frustrating obstacles, the path coefficient between leadership and team climate for excellence and safety was .52, and the path coefficient between team climate and team performance was .71, while the direct prediction from leadership to team performance was only an insignificant .09.

Team Satisfaction. Although the team leader makes the final decision, when members can make suggestions to the team leader, they are more satisfied if the decision reflects their recommendation. Such teams perform better, according to a controlled experiment by Phillips (2001) using 76 confederate-led teams of four undergraduates each assigned to a computer task.

Impact of Leadership on Team Climate. A survey of the weekly team climate of 187 Australian participants in 19 teams stationed at one of four permanent Antarctic stations between 1996 and 2001 found that effective leadership was the most important variable affecting weekly team climate, according to team results. Age, sex, and other individual variables were of little consequence (Schmidt, Wood, & Lugg, 2003). Wilson-Evered, Hartel, and Neale (2001) showed in a longitudinal study of hospital teams that the climate of morale mediated the effect of transformational leadership. Pirola-Merlo, Hartel, Mann, et al. (2002) completed a complex analysis of the mediation of team climate on the effects of transformational leadership (instilling a sense of vision and pride) and facilitative leadership (building working relations among the members) on the reactions to obstacles to performance of 54 R & D teams with a total of 313 team members. Obstacles included technical problems, staff availability, member relationships, and funding shortages. For 34 teams, climate for excellence correlated directly (r = .49) with team effectiveness. Leadership did not correlate directly with team performance (r = .09), but most of the positive effect of leadership (r = .32) was due to team climate. Leadership appeared to serve to suppress the negative impact of obstacles on team climate.

Other Mediators of the Impact of the Leadership

How a leader’s behavior affects the group’s drive and cohesiveness depends, to some extent, on the characteristics of the group. The same leadership that may contribute to motivated and cohesive subordinates in one kind of group may fail to do so in another. Greene and Schriesheim’s (1980) analysis of 123 work groups revealed that instrumental leadership had strong effects on drive and cohesiveness, particularly in large and new groups. The reverse was true for supportive leadership, which exerted the most influence on drive and cohesiveness in small and recently established groups.

Leana (1983) manipulated the same variables in an experiment on how the style of leadership and cohesiveness affected groupthink. Groupthink is the extreme seeking of concurrence in decision-making groups (Janis, 1972). Concurrence seeking overrides the realistic appraisal of alternative courses of action and vigilant information processing (Janis & Mann, 1977). It results in faulty decision making. Janis (1982) hypothesized that concurrence seeking or groupthink would occur more readily in cohesive groups with directive leaders. Other conditions that would generate groupthink included stress and pressure for a solution, insulation of the group from outside sources of information, and lack of adequate procedures for finding and evaluating information. Leana (1982) created experimental conditions for groupthink but varied whether the leader was directive or participative and whether the four-member groups that were drawn from a total of 208 college students were high or low in cohesiveness. In contrast to participative leadership, directive leadership produced more groupthink, which was reflected in incomplete canvassing of alternatives, failure to discuss alternatives, and decisions that were strongly based on the leader’s preferences. Unexpectedly, high cohesiveness did not result in more groupthink than did low cohesiveness. In fact, high cohesiveness actually widened the search for information. The effects of style of leadership and cohesiveness were independent of each other. Bunderson (2003) found that power centralization, based on work flow within teams, served to moderate effects on 44 business unit managers’ teams in a large consumer products firm. He examined how much team members’ expertise and the similarity of their functional backgrounds determined the influence of their involvement in decisions. When decentralization was high, expertise became of increasing importance to involvement in decisions. The reverse was true for highly centralized teams. With decentralization, functional background similarity decreased in importance to member involvement in decisions, while with centralization, it increased.

Team-Member Exchange (TMX). Analogous to Leader-Member Exchange (LMX) is Team-Member Exchange (TMX), the quality of the relations between the individual team member. According to Seers (1989), among 123 blue-collar employees TMX was better when their teams were given more autonomy by management. The leaders can make more efficient use of the team by assigning subparts of the task to those individuals whose competencies best match the requirements of the subparts (Bass, 1960). The leaders can also prevent premature closure in the team’s evaluation of alternatives (E. R. Alexander, 1979).

The leader can pursue a questioning set, which helps members evaluate alternatives systematically. What current resource could be substituted, modified, combined, omitted, or reversed? (Osborn, 1953). The “rush to judgment” that often occurs can thus be avoided. Frequently, only one solution gets most of the group’s attention. The leader can encourage a more even distribution of participation by encouraging inactive members and discouraging monopolizers. On the other hand, the leader can make for a more effective group outcome by recognizing differences in the competencies of members. To some degree, leaders may have to encourage the participation of the more competent members and discourage the participation of the less competent members. The leaders can clarify the teams’ goals, ensuring understanding and agreement about them. The leaders can help get the teams to view their problems in such a way that the problems can be reorganized for more efficient handling. Even when the teams feel satisfied with their solutions, their return to the same problem a second time is likely to generate even better solutions (Maier & Hoffman, 1960b).

Team leaders can obtain more of the benefits of working together by arranging for the cross-training of team members. One member can fill another’s shoes in case of absence. Regularly scheduled meetings will usually help (Dyer & Lambert, 1953), as will other ways of improving communications among the members.11

Self-Managed Teams

In addition to the shift from individual work to teamwork (Lawler, Mohrman, & Ledford, 1995), there has been a shift to some extent away from supervision by a formally appointed leader one level up in the hierarchy from the team members supervised. Instead, appointed leaders may remain team members, or the members share some or all of the leadership among themselves (see below) in self-managed, self-directed, or autonomous teams. A leader, external to the team, serves as a coach, advisor, and liaison with the organization and may be responsible for several self-managed teams. Team members are linked together by process, not function. A self-managed consumer products innovation team is made up of an engineer, a product designer, a technical specialist, and a marketer (Benson, 1992). The teams may have autonomy in some tasks but not others. However, as of 1997, in the automobile industry, Murakami (1997) noted that in 13 plants owned by U.S., European, and Japanese automakers, while autonomy was present for several of nine tasks, there were no fully autonomous teams to be found. As early as 1924, Mary Parker Follett proposed that leadership in a group should come from the person with the most knowledge of the situation. Bales and Slater (1955) observed that although the formal task functions of an appointed leader were carried out by a single person, several group members could provide socioemotional leadership. Bowers and Seashore (1966) recognized that leadership could emerge from individual team members as well as the appointed leader. Manz and Sims (1980) introduced their pioneering line of investigation about self-managing work teams. They devised a 21-item questionnaire to measure leadership in self-managed teams (Manz & Sims, 1987). Shared leadership is a group process. As detailed below, it is distributed among the team members and derives from them (Pearce & Sims, 2002). Position power and status are less important than esteem to the informal, plural leadership that emerges. Leaders arise by being perceived as prototypical team members (Hogg, 2001). The teams have a great deal of autonomy and fit-flattened organizational structures. Vertical hierarchies of leaders and the led are replaced by networks of relationships (Seers, 2002). The teams are considered the fundamental units of the organization’s work, supplementing or replacing the vertical structure (DeSanctis & Poole, 1997). Barry (1991) has enumerated the functions that can be carried out by cross-functional teams. Self-management and self-leadership are correlated concepts, but Manz and Sims (1986) distinguish between their theoretical underpinnings. Self-management is concerned with externally generated standards about how the team ought to be working. Self-leadership is part of self-management but is also concerned about the direction of efforts as well as how to achieve them (Manz, 1992). Akin to the effects of participative leadership, the increased level of decision making is expected to enhance satisfaction and performance. Members become “masters of their own fate.”

Internal Leaders. Self-managed team members lead themselves. They meet as a team to make collective decisions. One or more team members may be emergent, elected, appointed, or automatically rotated to serve as internal team leaders in a highly equitable team structure. They can represent the team in meetings with other team leaders. Their appointments may be temporary (Manz & Sims, 1987). They become superleaders (see below) when they maximize the contributions to the team of other members and bring out the talents of other members (Manz & Sims, 1989). According to a review by Gummer (1988), the most important components of self-managed team leadership are encouragement of self-reinforcement and self-evaluation by team members. Basu, Simmons, and Kumar (1997) examined data from 238 self-managed work teams in seven subsidiaries of a Fortune 500 organization. Teams rated by their members as high in self-direction were higher than average in performance. Yukl (1998) listed other conditions in self-led teams that can be facilitated by their leadership: adequate socialization of the members, appropriate task design, adequate information distribution, appropriate rewards and recognition, adequate human and material resources, clarification of team goals, alignment of team goals with the organization’s objectives, and a gain in support from top management.

The internal leaders that emerge in self-managed teams and their effectiveness depend on individual members’ personalities. Humphrey, Hollenbeck, Meyer, et al. (2003) administered the Five-Factor Model personality inventory to 198 MBA students formed in self-led teams of five or six who worked and studied together for two semesters. The academic performance, including group coursework grades and GPAs of the originally matched teams, was better if, within the teams, there was more variance among the members in extroversion, and the extroverted members were high-scoring rather than low-scoring on conscientiousness. More leadership emerged, resulting in better performance, when the extroverts were also high in agreeableness. Wolff, Pescosolido, and Druskat (2002) found that among 382 MBA students in 48 self-managing teams working on a project for an academic year, those somewhat higher in empathy, support for developing of others, perspective taking, and pattern recognition were more likely to engage in team task coordination. They were also more likely to emerge as team leaders.

External Leaders. The organization usually appoints a former supervisor, manager, or specialist as an external leader who serves as a facilitator, coach, advisor, or consultant, usually for several self-directed teams. The external leader is the primary catalyst for the sharing of team activities within the teams (Conger & Pearce, 2002). The external leader’s most important function is to facilitate the team’s own observations, evaluations, and reinforcements. But the roles and status of external leaders are often unclear (Manz & Sims, 1984). External leaders may be criticized by teams for controlling too much, and by their bosses for controlling too little (Walton, 1982). Prodded by their bosses, external leaders will increase their control over the team (Klein, 1984). External managers may maintain responsibilities, such as allocating resources. The team may make the final decision, but the external leader can still indicate how much can be afforded. Nevertheless, the hardest part of changing to self-managing teams may be changing the external leader’s role from manager to coach. Constant learning is required (Benson, 1992).

Druskat and Wheeler (2001, 2003) completed a study of the behavior of 19 external advisers responsible for external leadership of five to eight of 300 self-managed teams in a Fortune 500 durable goods manufacturing plant. Superior-performing external leaders of high-performance teams were compared with average-performing leaders of average performing teams. Interviews and focus groups with 119 members of the organization provided the data. Compared to average external leaders, superior external leaders were more aware socially and politically. Superior leaders paid more attention to building team trust and caring for team members. They did more scouting for information from managers, peers, and specialists. They investigated problems systematically. They did more to obtain external support for their teams and to influence the teams. They also did more coaching and delegating of authority and were more flexible about team decisions.

Empowerment of Teams. Teams and individual members may be empowered to do their own planning and organizing. Control comes from commitment and social pressure to conform. Wellins, Byam, and Wilson (1991) suggest that teams should be empowered in stages. First they can be assigned to take care of their own housekeeping, training one another, and scheduling production. Managing suppliers and external customer contact can come later. Finally, when the team is fully mature, it can handle its own performance appraisals, disciplinary processes, and compensation decisions. Burpitt and Bigoness (1997) found in 20 firms that team-level innovation among 60 project teams was enhanced by leader-empowering behavior. Barker (1993) noted that in a small manufacturing company, the self-managed teams applied social pressure on any member who violated the standards they had collectively set for themselves.

Shared Leadership. Arguments for sharing leadership come from a variety of theories, such as those dealing with group cohesion, influence tactics, social exchange, and social networks (Seibert & Sparrowe, 2002). Innovation is greater in project innovation teams when members share a vision of what is required (Pearce & Ensley, 2003). The dynamics, moderators, appropriateness, contingencies, and implementation of shared leadership have been presented by Pearce and Conger (2002). Following principles enunciated in the group dynamics movement, team members play many of the task and relations roles of leadership listed by Back (1948). Leadership is shared in that any member who sees a need by the team for a leadership role to be played, and believes she or he is competent to do so, calls attention to the problem and attempts to enact the leadership role or encourages other members with more knowledge and expertise to do so. The leadership function is transferred to take advantage of the different team members’ competencies, perspectives, attitudes, contacts, and available time (Burke, Fiore, & Salas, 2002). Australian case studies compared six hotel units with plural leaders who were successfully implementing quality service programs, with six that were not satisfactorily doing so. The successful units benefited from plural leaders who were either task-oriented or relations-oriented (Waldersee, Simmons, & Eagleson, 1995).

Ensley, Hmielseski, and Pearce (2006) compared 220 top management teams in new venture start-up firms that were vertically organized, with appointed leaders and teams that shared leadership. Both kinds of teams performed well, as measured by employee and revenue growth. However, aspects of the teams that shared leadership contributed more to better performance. Again, Mehra, Smith, Dixon, et al. (2006) failed to find that shared leadership generally contributed to team performance, but some kinds of decentralization arrangements were better for performance than others.

Unlike leaderless groups, in which members compete in attempts to lead the group, shared leadership is a cooperative endeavor in which different members take initiatives that they see are needed for self-directed team success (Ray & Bronstein, 1995). Much training and coaching of team members and leaders is essential for shared leadership. Incentive programs and regular measurements are needed as self-directed teams with shared leadership become accountable for discipline, human resources, and setting and meeting goals. The team needs to avoid wandering off course (Benson, 1992).

Superleadership. Manz and Sims (1989, 2001) created the concept of superleadership to describe the facilitation of the self-leadership of other team members. Members can be helped to lead themselves effectively. Other team members need to achieve self-motivation and self-management. They need to observe themselves, set goals for themselves, manage cues, reward themselves, and rehearse in the context of teamwork. The superleader serves to reinforce such self-leadership and gets the team members to be the best self-leaders they can be. The authors assume that all team members want to be leaders and are free of traits that would inhibit them.

Effectiveness of Self-Managed Teams. In self-managed teams, compared with traditional work groups, there is a more constructive challenge to the status quo with the intention to improve the situation rather than to merely criticize (LePine & Van Dyne, 1998). Cohen and Led-ford (1994) completed a quasiexperimental analysis to evaluate the effectiveness of self-management teams in a telecommunications firm. The teams came from various locations and included technical support, customer service, administrative support, and management involving 1,044 employees, 142 supervisors, 136 managers, and 15 union presidents. Self-managing teams were found to be more effective compared with traditionally managed teams performing the same kind of work in that: (1) output at Honeywell increased by 2809; (2) processing of lease applications at AT&T Credit doubled; (3) turnaround time at Carrier was reduced from two weeks to two days; (4) the defect rate at Corning Glass was reduced from 1,800 parts to 9 parts per million; (5) package losses and incorrect bills at Federal Express were reduced by 13%; (6) productivity at Xerox increased by 30%; (7) case-handling time at Shenandoah Life Insurance was reduced from 27 to two days (Benson, 1992; Dumaine, 1990; Fisher, 1993). Semipermanent management teams in a large automobile manufacturing firm, unlike temporary task forces, were expected to initiate and contribute new ideas on an ongoing basis for improving product quality, productivity, and quality of work life. Although not completely self-managing, the 71 teams were sufficiently empowered, with considerable autonomy. They were expected to identify opportunities for positive change as well as to implement them. The shared leadership had a stronger effect than hierarchical leadership on their success (Pearce & Sims, 2002).

Shared leadership is not the same as multiple leadership, for it implies common purposes. Neubert (1999) did not find that performance was better in 21 self-directed manufacturing teams if the appointed leader was supplemented by member-identified informal leaders. Several studies found that team performance and satisfaction were higher in self-directed teams (see, e.g., Wall, Kemp, Jackson, et al., 1991). Absenteeism and turnover were also higher rather than lower than among counter-part groups, but there were other differences between the self-managed and traditional groups that might explain the effects on absenteeism and turnover (Basu, Simmons, & Kumar, 1997)

Mixed and Negative Effects. Cordery, Mueller, and Smith (1991) reported that, consistent with previous studies, as noted above, members of autonomous work groups were more satisfied than those working in traditional groups but at the same time the members were higher in absenteeism and turnover. Additionally, Allender (1993) argued that the costs of implementing the changeover to self-managed teams outweigh the benefits. Narrowly skilled employees have to be trained in a much wider set of skills. Implementation takes two to five years.

Summary and Conclusions


Team-leader effects go beyond effects of individual members interacting with the leader. There may be an assembly bonus effect for the team so that the team does better than the sum of its members. Or faulty processes may result in the team doing worse. The leader makes a difference in which outcome occurs. In turn, the leader is affected in many ways by the group. Thus, leadership systematically depends on the phase of the group’s development in which the leadership is occurring, as well as on the group’s history. As newly formed groups progress, they find it necessary to resolve contests for influence and to develop role structure and cohesiveness before they can engage in the effective performance of tasks. Leaders are expected to provide role structure, maintain goal direction, and resolve interpersonal problems. If leaders fail to fulfill their expected roles, new leaders tend to emerge.

Group drive and group cohesiveness make considerable differences in what is required of the leader and what the leader is able to do. Likewise, the size of the group affects the leadership. The larger the group, the more difficult it becomes for any member to acquire leadership. Large groups make greater demands on their leaders than do small ones.

Groups develop norms that define the appropriate conduct of the members. Once a norm has become stabilized, in the mutual expectations of members, members bring strong pressures to bear on any individual who deviates from the norm. The greater the extent to which members assimilate a group’s norms and values, the greater the probability of their emergence as leaders. As leaders, they tend to act as strong exponents of these group norms and tend to conform to them. However, once leaders have consolidated their position, they are likely to be granted considerable latitude in departing from the same norms. The goals of a group operate as group norms in terms of how the members evaluate the group’s performance. Leaders exhibit a stronger concern for and commitment to their groups’ goals and work harder for their groups’ success than do followers. Other aspects of the group, that affect the requirements for a leader’s success include the group’s stability, the group’s status and esteem, the group’s frame of reference, and the group’s past history. Many other attributes of groups, are likely to influence the results with their leaders and managers: the sources of information; the age of the groups; the leaders’ and members’ earlier experiences elsewhere; whether the groups are part of a larger organization, are temporary or permanent, and are easy or difficult to enter; and whether the membership is homogeneous or heterogeneous. Each of these attributes is likely to influence what is required of the persons who emerge as the leaders and what leadership behavior is most likely to be effective.

Leaders have systematic effects on the drive of their groups, although little attention has been paid to this aspect of charismatic and inspirational leadership. Both directive and participative leadership can contribute to group cohesiveness, as can the interest and concern the leader shows for the group. Inspirational leadership would be expected to increase the group’s cohesiveness. The leader can make more effective use of the group by assigning subparts of the task to individuals whose competencies best match the requirements of the subparts (Bass, 1960). He or she can also prevent premature closure in the group’s evaluation of alternatives (E. R. Alexander, 1979).

We now turn from attending to the team and its members to a concentration on the effects of the tasks faced by the team.