The first stage of the Stages of Change Model of health behavior is __________.

The variable manipulated in an experiment is called the

(a) dependent variable (b) control variable (c) random variable (d) independent variable

In Pavlov's experiments, meat powder elicited salivation. Salivation in this case was the

A) unconditioned stimulus. B) unconditioned response. C) conditioned stimulus. D) conditioned response.