QUESTION 1 If the results obtained in a validity study are not specific to the validation population, what quality does the validation have? a. convergence O b. generalizability O c. differential validation O d. population crossover QUESTION 2 As the proportion of people who get an item on a test correct increases, the measure of item difficulty O a. decreases. O b. remains the same. O G. increases. O d. approaches chance.QUESTION 3 The validity coefficient of an aggression scale is .5. Using a score on this scale as a predictor of domestic violence, how much of the variability in domestic violence can be attributed to scores on the aggression scale? O a. 50% O b. indeterminate O c. 25% O d. none QUESTION 4 Why is evidence for criterion-related validity gathered? O a. Tests serve as a substitute for the real measure of interest. O b. It is critical for reliability. O c. Criterion validity subsumes all other validity. O d. It is legally required. QUESTION 5 A multiple-choice test with five options has a chance performance level of O a. .25. O b. .20. O c. .10. O d. .50