Bates, J. A. (1979). Extrinsic reward and intrinsic motivation: A review with implications for the classroom. Review of Educational Research(49), 557-576.

 

Calder, B. J., & Staw, B. M. (1978). Self-perception of intrinsic and extrinsic motivation. Journal of Personality and Social Psychology(31), 599-605.

 

Deci, E. L., Koestner, R., & Ryan, R. M. (2001). Extrinsic Rewards and Intrinsic Motivation in Education: Reconsidered Once Again. Review of Educational Research, 71(1), 1-27.

 

Deci, E. L., & Porac, J. (1978). Cognitive evaluation theory and the study of human motivation. In M. R. Lepper & D. Green (Eds.), The hidden costs of reward. Hillsdale, NJ: Lawrence Erlbaum Associates.

 

Deci, E. L., & Ryan, R. (1985). Intrinsic motivation and self-determination in human behavior. New York: Plenum.

 

Förster, J., Grant, H., Idson, L. C., & Higgins, E. T. (2001). Sucess/Failure Feedback, Expectancies, and Approach/Avoidance Motivation: How Regulatory Focus Moderates Classic Relations. Journal of Experimental Social Psychology, 37, 253-260.

 

Kazdin, A. E. (1982). The token economy: A decade later. Journal of Applied Behavior Analysis, 15(3), 431-445.

 

Levine, F. M., & Fasnacht, G. (1974). Token rewards may lend to token learning. American Psychologist, 29, 816-820.

 

Malone, T., & Lepper, M. R. (1987). Making learning fun: A taxonomie of intrinsic motivations for learning. In R. E. Snow & J. M. Farr (Eds.), Aptitude, learning, and instruction: III. Conative and affective process analyses (pp. 223-253). Hillsdale, N.J.: Erlbaum.

 

McCombs, B. L. (1984). Processes and skills underlying intrinsic motivation to learn: Toward a definition of motivational skills training intervention. Educational Psychologist, 19(4), 199 - 218.

 

Robinson, P. W., Newby, T. J., & Ganzell, S. L. (1981). A token system for a class of underachieving hyperactive children. Journal of Applied Behavior Analysis, 14(3), 307-315.

 

Ryan, R., M., & Deci, E. L. (2000). Intrinsic and extrinsic motivations: classic definitions and new directions. Contemporary Educational Psychology, 25, 54-67.

 

Skinner, B. F. (1954). The science of learning and the art of teaching. Harvard Educational Review, 24, 86 - 97.

 

Streater, A. L., & Chertkoff, J. M. (1976). Distribution of Rewards in a Triad: A Developmental Test of Equity Theory. Child Development, 47(3), 800-805.

 

Torrance, E. P. (1965). Rewarding creative behavior: Experiments in classroom creative behavior. Englewood Cliffs, NJ: Prentice-Hall.