Which of the following causes fertility problems for men?
A) Low sperm motility
B) A low sperm count
C) Thyroid disease
D) All of the above
D
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In an experiment, researchers eliminate ______ variables.
A. constant B. extraneous C. independent D. dependent
Professor Dorinda is a behavioral geneticist. This means that she studies
A) the inherited bases of behavior. B) the extent to which behavior is genetically determined. C) the contribution of particular behaviors to environmental adaptability. D) genetic markers for specific behaviors.
Social comparison theory and cognitive dissonance theory were developed by which of the following social psychologists?
a. Stanley Milgram b. Solomon Asch c. Leon Festinger d. Kurt Lewin
The most powerful contributor to global self-esteem in adolescence is
A. academic achievement. B. athletic achievement. C. physical appearance. D. popularity with peers.