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Kluger, A. N., & DeNisi, A. (1996). The effects of feedback interventions on performance: A historical review, a meta-analysis, and a preliminary feedback intervention theory. Psychological Bulletin, 119(2), 254-284.
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Kornell 2009
The title says it all: Unsuccessful Retrieval Attempts Enhance Subsequent Learning
Kornell et al 2009 Nate Kornell, Matthew Jensen Hays, and Robert A. Bjork Journal of Experimental Psychology Vol. 35, No. 4, 989–998
Kulik 1990
When teachers hold back from teaching new learning until the learners have mastered all the pre-requisite skills, attainment is raised.
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