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  1. 1
    by Kohn, Alfie
    Published 1993
    Subjects “...Reward (Psychology)...”
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    Punished by rewards : the trouble with gold stars, incentive plans, A's, praise, and other bribes /
  2. 2
    by Kohn, Alfie
    Published 1999
    Subjects “...Reward (Psychology)...”
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    Punished by rewards : the trouble with gold stars, incentive plans, A's, praise, and other bribes /
  3. 3
    by Kohn, Alfie
    Published 1986
    Subjects “...Competition (Psychology)...”
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    No contest : the case against competition /
  4. 4
    by Kohn, Alfie
    Published 1992
    Subjects “...Competition (Psychology)...”
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    No contest : the case against competition /

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