“Mastery Learning: A Psychological Trap?”, 1979 (; similar):
In spite of all its announced advantages, the implementation of mastery learning instruction often falls short of theoretical expectations.
As discussed under the four major characteristics of mastery learning [systematic design of instruction/instructional correctives/ample time to learn/clear criterion of mastery], these implementation weaknesses pose serious problems for unsuspecting students, teachers, and instructional designers alike.
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