Theresa Amabile, Creativity in Context (Westview, 1996), p. 117.
49
Deci, Ryan, and Koestner.
50
Amabile, p. 119.
51
Richard M. Ryan & Edward L. Deci, Self-Determination Theory and the Facilitation of Intrinsic Motivation, Social Development, and Weil- Being, American Psychologist. Vol. 55, January 200, p. 68.
