Tad was a geneticist, who worked in collaboration with biologists, computer scientists, and psychologists. Tad’s specialty in developmental science was most likely

A report in the newspaper describes the common epidemiological finding that the rate of depression is higher among women than among men. How have researchers evaluated the validity of this finding?

a. Men and women differ in their willingness to talk about their depressive symptoms. b. Mental health professionals are more prone to diagnose depression in women than in men. c. This gender difference is an artifact that occurs only in samples of patients that seek treatment. d. This gender difference exists, but it cannot be explained by methodological or sampling differences.

As children grow from 18 months to 9 years, emotionality __________

a. remains the same b. increases c. fluctuates d. declines