Effects of externally mediated rewards on intrinsic motivation
[NOT READ; the open copy is an unreadable image scan, and no sample size from it is printed] Deci, E. L. (1971). 'Effects of externally mediated rewards on intrinsic motivation.' Journal of Personality and Social Psychology, 18(1), 105-115. Its design reaches the article only through the 1999 meta-analysis's account of it: 'the first published intrinsic motivation experiment', a completion-contingent study in which participants worked on four variations of a three-dimensional puzzle called SOMA and were given one dollar for each puzzle completed in the allotted time.
[NOT READ; the open copy is an unreadable image scan, and no sample size from it is printed] Deci, E. L. (1971). 'Effects of externally mediated rewards on intrinsic motivation.' Journal of Personality and Social Psychology, 18(1), 105-115. Its design reaches the article only through the 1999 meta-analysis's account of it: 'the first published intrinsic motivation experiment', a completion-contingent study in which participants worked on four variations of a three-dimensional puzzle called SOMA and were given one dollar for each puzzle completed in the allotted time.
Written from the nOT READ; the open copy is an unreadable image scan, and no sample size from it is printed.
What our sources record
Recorded when this source was checked, figures included, with page references and quotation marks removed.
Deci, E. L. (1971). Effects of externally mediated rewards on intrinsic motivation. Journal of Personality and Social Psychology, 18(1), 105-115.