Michelle is extremely relaxed and secure, and she seldom appears self-conscious when she is around others. Based on the Big Five model of personality, Michelle would probably score:

Since 1990, the percentage of high school students who have engaged in sexual intercourse has

A) skyrocketed upward. B) increased slightly. C) stayed the same. D) gradually declined.

A construct validity score represents

A) whether two independent practitioners agree on a diagnosis. B) the degree to which a test accurately assesses a specific concept and not other related concepts. C) a test's ability to discriminate a patient who is trying to fake symptoms. D) the percent of test-takers who show reliable scores on a test measuring an related constructs.