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学习者为什么会忽略在进行检索练习的元认知决策时所预期的反馈?

Why do learners ignore expected feedback in making metacognitive decisions about retrieval practice?

机构信息

Department of Psychological and Brain Sciences, Villanova University, 800 Lancaster Avenue, Villanova, PA, 19085, USA.

出版信息

Mem Cognit. 2021 Oct;49(7):1423-1435. doi: 10.3758/s13421-021-01171-4. Epub 2021 Mar 26.

Abstract

We report two experiments investigating why learners, in making metacognitive judgments, often seem to ignore or otherwise fail to appreciate that feedback following retrieval practice provides a restudy opportunity. Learners practiced word pairs for a final cued-recall test by studying each pair initially, making a judgment of learning (JOL), and then deciding whether to practice the pair again after a short or long spacing interval, or not at all. For different groups in Experiment 1, additional practice involved restudying, retrieval practice without feedback, or retrieval practice with feedback (the full pair). We used procedures (long feedback duration and covert retrieval practice) designed to rule out the possibility that feedback is ignored because it is usually brief or because participants' choices are influenced by a desire to look good by performing well on overt practice tests. In the relearning condition, learners preferred a long spacing interval for items at all JOL levels. Despite the feedback duration and the covert retrieval practice, learners in both retrieval-practice conditions preferred a short spacing interval for hard, low-JOL items and a long spacing interval for easy, high-JOL items, even though this may not be an effective strategy when feedback is provided. In Experiment 2, instructions framed feedback either as a presentation of the correct answer or as a restudy opportunity preceded by retrieval practice. Framing feedback as a restudy opportunity markedly changed the choices learners made. Apparently, the restudy function of feedback does not occur to learners unless they are specifically alerted to it.

摘要

我们报告了两项实验,旨在探究为什么学习者在进行元认知判断时,常常忽视或未能意识到,检索练习后的反馈提供了再次学习的机会。学习者通过初次学习每对单词对、做出学习判断(JOL),然后决定在短或长的间隔后是否再次练习该对单词,或者完全不练习,来为最终的线索回忆测试练习单词对。在实验 1 的不同组中,额外的练习涉及复习、无反馈的检索练习或有反馈的检索练习(完整的单词对)。我们使用了程序(长反馈时长和内隐检索练习),旨在排除反馈被忽视的可能性,因为反馈通常是短暂的,或者因为参与者的选择受到在显性练习测试中表现良好的愿望的影响。在重新学习条件下,学习者对所有 JOL 水平的项目都更喜欢长间隔。尽管反馈时长和内隐检索练习,在检索练习条件下的学习者仍然更喜欢对难的、低 JOL 项目进行短间隔,对容易的、高 JOL 项目进行长间隔,即使在提供反馈的情况下,这可能不是一种有效的策略。在实验 2 中,我们将反馈的呈现方式框定为正确答案的呈现或检索练习前的复习机会。将反馈框定为复习机会,明显改变了学习者的选择。显然,除非学习者特别注意到,否则他们不会意识到反馈的复习功能。

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