Learner-controlled practice difficulty in the training of a complex task: cognitive and motivational mechanisms

Journal of Applied Psychology (2013) - Comment
pubmed: 22925045 doi: 10.1037/a0029821 issn: 1939-1854 issn: 0021-9010

Michael G. Hughes, Eric Anthony Day, Xiaoqian Wang, Matthew J. Schuelke, Matthew L. Arsenault, Lauren N. Harkrider, Olivia D. Cooper