Notes
- E. L. Deci , Intrinsic Motivation ( New York : Plenum , 1975 ).
- M. R. Lepper and D. Greene , eds., The Hidden Costs of Reward ( Hillsdale , N.J. : Erlbaum , 1978 ).
- C. Benware , “ Quantitative and Qualitative Learning Differences as a Function of Learning in Order to Teach Another: A Motivational Approach ” (Ph.D. diss., University of Rochester, 1977 ).
- S. Harter , “ Perceived Competence Scale for Children ,” University of Denver, 1977 ; S. Harter, “A Scale of Intrinsic Versus Extrinsic Motivation in the Classroom,” University of Denver, 1977.
- E. L. Deci , J. Nezlek , and L. Sheinman , “ The Effects of Teacher Characteristics on the Intrinsic Motivation and Self-Esteem of School Children ,” University of Rochester, 1979 .