The experimental and control groups should be the same in every respect except for the

A) ?number of subjects in each group.
B) ?variation created by the manipulation of the independent variable.
C) ?assumptions underlying the research question.
D) ?method of measuring the dependent variable.


B

Psychology

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People sometimes report a feeling of euphoria following a period of vigorous exercise. This is MOST likely due to the effects of

a. endorphins. b. dopamine. c. acetylcholine. d. norepinephrine.

Psychology

In classical conditioning, the process during which a neutral stimulus becomes a conditioned stimulus is known as _______

a. extinction b. spontaneous recovery c. acquisition d. discrimination

Psychology

In psychoanalysis, the component of the psyche that contains inborn biological drives to seek immediate indulgence of impulses is known as the

A. ego. B. Superego. C. eros. D. id.

Psychology

Roger was having a psychotic break and his family had him hospitalized against his will. This is called

A) standardization B) integration C) uncivil commitment D) civil commitment

Psychology