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

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

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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 cannot improve performance (1)______
at work and school. Cognitive researchers, who study various
aspects of mental life, maintain that rewards often destroy
creativity by encouraging independence on approval and gifts (2)______
from others.
    The later view has gained many supporters, especially (3)______
among educators. But the careful use of small monetary rewards
speak creativity in grade-school children, suggesting that (4) ______
properly presented inducements (刺激) indeed aid 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 relative challenging task, they show the (5)______
most creativity," says Robert Eisenberger of the University of
Delaware in Newark. "But it’s easy to kill creativity through (6)______
giving rewards for poor performance or creating too much
anticipation of rewards." (7)______
    A teacher who continually draws attention to rewards or
who hands out high grades for ordinary achievement ends up (8)______
uninspired students, Eisenberger holds. As an example of the
latter point, he notes growing efforts at major universities to
tighten grading standards and restore failing grades.
In earlier grades, the use of so-called token economies,
in that students handle challenging problems and receive (9)______
performance-based points toward valued rewards, show promise (10)______
in raising effort and creativity, the Delaware psychologist claims.
选项
答案through—by
解析 through和by都可表示“靠，通过”，前者一般接名词，后者一般接动名词。through后接动名词时，意为“由于…”，与文意不符。故将through改为by。
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