An environmental psychologist helps redesign a college dorm to reduce feelings of crowding. The psychologist's work reflects which of psychology's goals?

The notion that behaviors with desirable outcomes will likely be repeated is part of _____

a) classical conditioning. b) modeling. c) the law of effect. d) insight learning.

Nicotine is a

a. stimulant. b. depressant. c. narcotic. d. psychogenic drug. e. hallucinogen.