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Index
Cover Page
Title Page
Copyright Page
Dedication Page
Contents
List of Figures
List of Tables
Acknowledgments
Chapter One: Basic Concepts in Group Problem Solving
Group Task, structure, Process, and Product
Interpersonal Influence Processes
Group Tasks
Additive, Compensatory, Conjunctive, Disjunctive, and Complementary
Divisible and Unitary
Maximizing and Optimizing
Intellective and Judgmental
Summary
Laboratory experimental Research on Group Problem solving
Overview of Chapters
Chapter Two: Social Combination Models
Marjorie shaw’s Classic study
Experimental Designs
The Lorge and solomon Model A
The Lorge and solomon Model a as an Application of the Binomial Theorem
Smoke and Zajonc: Group Decision schemes
Thomas and Fink: extension to More Than Two Response Alternatives
Davis: social Decision scheme Theory
Model Testing and Model Fitting
Summary
Chapter Three: Memory and Group Problem Solving
Recognition Memory
Transactive Memory
No Communication during Learning or Retrieval
Communication during Retrieval
Communication during Learning and Retrieval
Nine Propositions
Cognitive Interdependence and Convergent expectations
Shared and Unshared Information
Optimal Assignment of Items to Members
Shared and Unshared Knowledge
Information Sampling Model
Solving a Problem versus Making a Judgment
Social Validation of Information
Common Knowledge effect
Group Judgment
Group Choice
Jury Memory
Summary
Chapter Four: Group Ability Composition on World Knowledge Problems
English Vocabulary
General Achievement
Remote Verbal Associations
Homogeneity and Heterogeneity of Group Member Ability
Conclusions on Group Ability Composition
Chapter Five: Collective Induction
An Inductive Rule-Learning Task
Collective versus Individual Induction: Effects of Increasing Evidence
Collective Versus Individual Induction: Effects of Increasing Hypotheses
Collective Induction with Increasing Hypotheses and Increasing Evidence
Positive Hypothesis Tests and Negative Hypothesis Tests
Simultaneous Collective and Individual Induction
Social Combination Processes
A Theory of Collective Induction
Collective Induction in Competitive Auctions
Chapter Six: Letters-to-Numbers Problems
Letters-to-Numbers Problems
Letters-to-Numbers Strategies
Two-Letter Substitution Strategy
Multiletter Substitution Strategy
Known Answer Strategy
Combined Known Answer and Multiletter Substitution Strategy
Groups Perform Better than the Best Individuals
Trials to Solution
Letters Per Equation
Letters Identified Per Equation
Two-Letter Substitution Strategy
Known Answer Strategy
Summary of Results
Discussion
Groups Perform Better than the Best Individuals: Informative Equations and Effective Strategies
Five Instruction Conditions
Trials to Solution
Equations with Minimal Letters
Groups Perform Better than the Best Individuals: Effects of Group Size
Previous Research on Group Size on Intellective Tasks
Experimental Design
Trials to Solution
Why Do Groups Perform Better than the Best Individuals on Letters-to-Numbers Problems?
Chapter Seven: Group-to-Individual Problem-Solving Transfer
Specific Transfer
Analogies
Mathematical Problems
General Transfer
Mathematical Problems
Brainteasers
Logical Implication
Four Issues in Group-to-Individual Transfer
Design
Summary
Chapter Eight: Social Choice Theory
Basic Concepts of Social Choice Theory
Motions (Alternatives) and Preference Orders
For-Against Matrices
Sequential Pairwise Voting and the Paradox of Voting
Runoff Elections
Rank Order Voting
Approval Voting
The Median Voter Theorem
Condorcet Jury Theorem
Experimental Evidence for Social Choice Theory
The Median Voter Theorem
Agenda Influence
Condorcet Jury Theorem
Successive Majorities in a Hierarchical System
A Remarkable Concurrence
Social Choice Theory and Group Problem Solving: The Constitutional Convention of 1787
Chapter Nine: Conclusions
Generalizations
Retrospective and Prospective
References
Index
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