In any given year, approximately 9.5 percent of the U. S. population suffers from a mood disorder

According to the text, an adolescent "clique" consists of:

a. a highly cohesive group of 3 to 9 peers b. a group of any size with whom one shares a particular function or status c. a reference group that one aspires to emulate d. 15 to 30 peers that form the set of people with whom one sometimes interacts

A researcher determines that the crime rate in a large city is related to the phases of the moon. She concludes that the gravitational pull of the moon influences human behavior. She does not understand

a. the dangers of a single example. b. the difference between observation and inference. c. the difference between correlation and causation. d. that the Barnum effect occurs only in ten-year cycles.