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The learned helplessness effect: An expectancy,discrimination deficit,or motivational-Induced persistence?

The learned helplessness effect: An expectancy,discrimination deficit,or motivational-Induced persistence?

Journal of research in personality
ISSN：0092-6566
1980年第14卷第2期
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Donald J Levis
State University of New York at Binghamton USA

关键词:
Key words: Requests for reprints should be sent to: Donald J. Levis, Department of Psychology, State University of New York, Binghamton NY 13901.
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Journal of research in personality
ISSN：0092-6566
1980年第14卷第2期
关 注

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