Effects of reward on intrinsic motivation—Negative, neutral, and positive: Comment on Deci, Koestner, and Ryan (1999)

Psychological Bulletin (1999) - Comment
doi: 10.1037/0033-2909.125.6.677 issn: 1939-1455 issn: 0033-2909 pubmed: 10589299

Robert Eisenberger, W. David Pierce, Judy Cameron