Which of the following is most true regarding bulimia?
a. The prevalence is higher in Western nations than other parts of the world, and the number of cases increased during the latter part of the twentieth century.
b. The prevalence is lower in Western nations than other parts of the world, and the number of cases increased during the latter part of the twentieth century.
c. The prevalence is higher in Western nations than other parts of the world, and the number of cases decreased during the latter part of the twentieth century.
d. The prevalence is higher in developing nations than other parts of the world, and the number of cases increased during the latter part of the twentieth century.
Answer: a.
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According to the chapter Tokens Against Aggressionabout the use of a token economy in a psychiatric
hospital, why were patients given credits as soon after they engaged in the desired behavior as individual situations would allow? (a) reinforcement is more effective in influencing behavior when it occurs soon after the desired behavior (b) so the patients would not become frustrated for not being rewarded promptly (c) so that the researchers could move on to other work (d) to help patients earn credits quickly so they could get more of the items they wanted
According to Freud, dreaming is the result of
a. changes in cortical activity during sleep. b. the unconscious mind expressing itself. c. changes in brainstem activity during sleep. d. interpreting stored memories to create a storyline.