The number of adolescents who say they have never had sexual intercourse __________ by __________ from 1991 to 2007

a) decreased; 30 percent
b) increased; 13 percent
c) decreased; 15 percent
d) increased; 50 percent

Answer: b

Psychology

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The first person to propose an experimentally testable model of how the brain controls the body was

a) Vesalius b) Willis c) Locke d) Descartes

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Electroshock treatment often is accompanied by:

a. a total mental breakdown during the first week following application. b. tardive dyskinesia. c. temporary visual hallucinations. d. a memory loss of unpredictable length.

Psychology