If a psychologist wanted to test the effectiveness of a behavioral intervention for test anxiety, she would most likely choose what sort of assessment?

Darwin hypothesized that populations of organisms, rather than individuals, change by selective breeding with other organisms possessing some apparent advantage. This is known as

A) natural selection. B) behavioral adaptation. C) brain evolution. D) behavioral genetics.

An example of couples therapy described in the textbook involved a couple with a sexual problem. Which of the following was NOT a factor in the case?

a. The husband's marital infidelity b. The husband's inability to have an erection c. The resumption of sexual intercourse with orgasm d. The wife's antisex sentiment carried over from childhood e. The husband's need for autonomy in the marriage