A controversy surrounding the use of intelligence tests by the U.S. Army during World War I and World War II centered around whether ______.

a. the achievement items were better predictors of abilities than the performance items
b. a larger number of items would improve the accuracy of the tests in placing recruits in specific jobs
c. group differences in scores reflected inherent differences in mental abilities or were biased against members of certain groups
d. the tests were useful for assessing individuals who were older than their mid-20s.


Ans: C

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