Prepared childbirth emphasizes all of the following EXCEPT

How do psychoactive drugs work in the body to produce their effects?

a. They alter the body's basal metabolism rate. b. They act on brain neurotransmitters. c. They break down the blood-brain barrier. d. They modulate endocrine function.

Seventy percent of the students in a classroom are women and thirty percent are men. One student is described as "ambitious, athletic, and aggressive." Why are most people likely to think this description refers to a male student?

a) availability heuristic b) representativeness heuristic c) we seek only confirming information d) we tend to make relative comparisons