Correct the mistakes, if any, in sentences 1-6. Answers in the next chapter.
1. Twenty-five PhD thesis were analyzed.
2. In this study, we attempt to determine the extent to which these processes can be standardized.
3. The number of subjects affected by the disease were higher than expected.
4. The data were analyzed using the SAS statistical program.
5. Separate analysis were carried out, with each discreet item defined as a dependable variable.
6. Each criteria was awarded a value between 0 and 4.