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  3. Psychologists take opposing views of how external rewards, from warm praise to cold cash, affect motivation and creativity. Beha

Psychologists take opposing views of how external rewards, from warm praise to cold cash, affect motivation and creativity. Beha

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问题     Psychologists take opposing views of how external rewards, from warm praise to cold cash, affect motivation and creativity. Behaviorists, who study the relation between actions and their consequences, argue that rewards can【C1】______ performance at work and school. Cognitive (认知派的) researchers, who study various aspects of mental life, maintain that rewards often destroy creativity by encouraging dependence on【C2】______ and gifts from others.
    The latter view has gained many supporters,【C3】______ among educators. But the careful use of small【C4】______ rewards sparks creativity in grade school children, suggesting that properly presented inducements (刺激) indeed【C5】______ inventiveness, according to a study in the June Journal of Personality and Social Psychology.
    "If kids know they’re working for a reward and can focus on a relatively【C6】______ task, they show the most creativity," says Robert Eisenberger of the University of Delaware in Newark. "But it’s easy to【C7】______ creativity by giving rewards for poor performance or creating too much anticipation for rewards."
    A teacher who continually draws attention to rewards or who hands out high grades for【C8】______ achievement ends up with uninspired students, Eisenberger holds. As an example of the latter point, he notes growing efforts at major universities to tighten grading standards and【C9】______ failing grades.
    In early grades, the use of so-called token economies, in which students handle challenging problems and receive performance-based points toward valued rewards, shows【C10】______ in raising efforts and creativity, the Delaware psychologist claims.
A) mental I) approval
B) promise J) monetary
C) kill K) generally
D) avoid L) improve
E) hope M) challenging
F) especially N) restore
G) aid O) excellent H) ordinary
【C6】
选项
答案M
解析 根据空前的a relatively和空后的task，可知本空应为形容词。从原文来看，如果孩子们知道他们在为获得奖励而努力，并能专注于相对……的任务，他们就会表现出最大的创造力，因此只有challenging符合题意。故答案为M)challenging(有难度的，有挑战性的)。
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