There are two broad classes of psychological research:

(a) internal and external (b) direct and indirect
(c) behavioral and nonbehavioral (d) experimental and correlational
(e) theories and hypotheses

D

Psychology

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Mark is a graduate student who interviews a group of 5-year-olds, a group of 20-year-olds, and a group of 50-year-olds and ask them about cultural issues. In this example, Mark is using a___ research design.

A) longitudinal B) cross- sequential C) factorial D) cross-sectional

Psychology

Each day, while Sid is sitting at his desk at work, he continually thinks about germs. Each time this occurs, he washes his hands. Sid probably suffers from

a. agoraphobia. b. panic disorder. c. generalized anxiety disorder. d. obsessive-compulsive disorder. e. bipolar disorder.

Psychology