The relationship between the season of the year in which people are born and their subsequent risk of schizophrenia best highlights the role of ________ in this disorder.

Andy has just experienced his first episode of major depression; if Andy is average for someone with depressive disorder, how many additional episodes is he likely to experience in his lifetime?

a. none; recurrence is uncommon b. one or two c. five or six d. none unless he also experiences a manic or hypomanic episode

What system was used in early intelligence tests to compute an IQ?

a. comparing a score to group norms b. dividing chronological age by mental age c. dividing mental age by chronological age d. translating a score into standard deviations