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QUESTION 6 A validity coefficient is O a. the correlation between a test and the validity criterion. O b. one minus the correlation between a test and the validity criterion. O c. the squared correlation between the test and the validity criterion. O d. the square root of the correlation between the test and the validity criterion. QUESTION 7 Some studies have failed to demonstrate that the Graduate Record Exam (GRE) is a good predictor of grade point average in graduate school. One of the difficulties with these studies is that O a. the Graduate Record Exam has no reliability. O b. the Graduate Record Exam is rarely used as a predictor of graduate school success. O G. both grade point average and GRE scores have a restricted range for graduate students. d. the Graduate Record Exam was validated on a very small sample of students