A researcher discussing the prevalence of eating disorders makes reference to what she says is a cohort effect for these disorders. What does this mean?
a. Eating disorders tend to run in close-knit families.
b. Women born after 1960 have a higher rate of bulimia nervosa than women born prior to 1960.
c. Families that place a special emphasis on eating meals together have high rates of eating disorders.
d. The frequency of eating disorders is strongly related to the rate among friends, especially in high school.
Answer: b
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A. hours in living animals and indefinitely in a brain slice. B. hours in a brain slice and indefinitely in living animals. C. a few seconds in living animals and several hours in a brain slice. D. a few seconds in a brain slice and several hours in living animals.
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According to Freud, avoidance of situations due to fear serves the purpose of
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