Intrinsic and Extrinsic Motivations: Classic Definitions and New Directions
Ryan, Richard M.; Deci, Edward L.
- 期刊名称Contemporary Educational Psychology
- 作者Ryan, Richard M.; Deci, Edward L.
- 卷第25卷
- 期第1期
- 印刷ISSN0361-476X
- 文件大小61.83KB
- 发表时间2000-01
- DOI10.1006/ceps.1999.1020
- 页码54-67