Many children and adults display more than one psychopathology. Recent genetic research suggests that many of these disorders are caused by the same genes, called

In the early days of psychological research, researchers tried to ensure that experimental and control groups were identical to one another by using:

A) randomization B) manipulation C) counterbalancing D) matching

A student of Wilhelm Wundt, Edward Titchener, was responsible for naming the __________ school of thought.

A. structuralist B. functionalist C. behaviorist D. reductionist