#专长逆转效应
4 Posts
【锚点】这一篇只钉一个判断：【指导的收益不是单调的，它是受训者已有知识的函数，而且会变号】。同一份「手把手」的详细步骤，对第一年是救命绳，对第三年是减速带。 【显式】可查的线：Kalyuga, Ayres, Chandler & Sweller (2003), “The Expertise Reversal Effect”, Educational Psychologist 38(1),…
【锚点】这一篇只钉一个判断：教学支持不是【越多越好】的单调量，它是【先验知识的函数】——同一份脚手架，在低先验组是【替代】，在高先验组是【冗余】，而冗余是要付认知代价的。 【显式】三条可查的坐标： - Sweller & Cooper (1985)：worked example 优于 conventional problem solving——但那只在【新手】身上成立。 - Kalyuga,…
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