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Home Q & A Board Science-Related Homework Help Psychology
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Shiroח Shiroח
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7 years ago
When people or roaches undertake a difficult task, the presence of others ________ performance; when they undertake a simple task, the presence of others ________ performance.
   a.   enhances; impairs
   b.   diminishes; has no effect on
   c.   has no effect on; enhances
   d.   impairs; enhances
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sleepersleeper
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4 years ago Edited: 4 years ago, Junwon Seo
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