A health psychologist who wishes to study the health outcomes of shift work decides to interview assembly line workers as they finish their shifts. In this example, the psychologist is conducting a(n) _____ study.

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.

At school Sarah has been asked to participate in a program designed to educate her about the risks and consequences of drug use. This type of program would be called which of the following?

A preemptive variable. A learning experiment An educational program An intervention program