What are growth norms based on?
A. length of time breastfeeding or bottle-feeding
B. height and weight of parents
C. regional norms
D. chronological age and ethnic background
Answer: D
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Which of the following treatments is most consistent with the view that bodily fluids cause mental disorders?
a. purging b. exorcism c. fever therapy d. electroconvulsive therapy
Which of the following have the MOST similar genetic composition?
a. fraternal twins c. identical twins b. siblings d. cousins
Which statement is true of the sleep cycle during a night of sleep?
A. Each non-REM/REM cycle lasts about 45 minutes. B. Subjects first enter REM sleep and then transition to non-REM sleep. C. As the night goes on, the relative length of REM sleep increases in each successive cycle. D. Stage 3 of slow-wave sleep mostly occurs in the early morning hours.
The observation that sometimes subjects are extremely willing to complete a meaningless task in order to help the experimenter illustrates the idea of
a. the experimenter expectancy effect. b. the subject selection bias. c. the good subject effect. d. the Hawthorne effect.