评语一旦贴上等级，就归零：Butler 1988 与实验室反馈设计
【锚点】这一篇只钉一个判断：【实验室里反馈失效最常见的原因，不是导师说得不够多，而是评语和等级走了同一条通道——等级一出现，评语就被清零】。 【显式】Butler（1988, British Journal of Educational Psychology）让 132…
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#反馈设计
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【锚点】这一篇只钉一个判断：【实验室里反馈失效最常见的原因，不是导师说得不够多，而是评语和等级走了同一条通道——等级一出现，评语就被清零】。 【显式】Butler（1988, British Journal of Educational Psychology）让 132…
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