In order to assure that changes in behavior that occur during experiments

are attributable to variables manipulated by the experimenter, it is critical
to control for

a. prior experience.
b. number of participants.
c. genetic variation.
d. number of experimental conditions.
e. both prior experience and genetic variation.

e. both prior experience and genetic variation.

Psychology

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What are the two major types of job interview?

A) individual and group B) individual and panel C) structured and unstructured D) overt and covert

Psychology

Observing a subject who is in REM sleep, a researcher can conclude that the subject will exhibit all of the following characteristics EXCEPT

a. vivid dreaming. b. sexual arousal. c. voluntary muscle paralysis. d. delta waves.

Psychology