Professor Bingham measures the cognitive skills of one hundred 30-year-olds and compares them with one hundred 50-year-olds. This is an example of which method?

A. Longitudinal
B. Sequential
C. Clinical
D. Cross-sectional


Answer: D

Psychology

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____ was originally called dementia praecox.

A. Bipolar disorder B. Schizophrenia C. Dissociative identity disorder D. Huntington's disease

Psychology

What term do sleep researchers use to designate Stages 1–4 of sleep?

A) REM sleep B) Non-REM sleep C) REMN sleep D) paradoxical sleep

Psychology

There is a common visual illusion in which the outline of a vase appears to take the form of two faces. This is an example of which Gestalt principle?

A. Proximity B. Figure-ground C. Closure D. Similarity

Psychology

The idea that large fibers in the sensory nerves can prevent impulses from reaching the brain and thus prevent the sensation of pain is part of the __________ theory of pain

a. gate-control b. primary process c. free nerve ending d. volley

Psychology