Does the Shortcoming Indicated in Blocked Practice Actually Occur? Re-Examining the Results of Blocked Practice

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  • ブロック練習に指摘される弱点は，実際に顕在化するのか？
  • ―教育現場に根付いているブロック練習を問い直す―

Abstract

<p>  A shortcoming of block practice is said to occur when a practice problem is presented as a sequence of blocked practices with the result that the learner does not have to distinguish the problem type and then recall and choose an appropriate strategy, but rather just applies the strategy to the problem. This shortcoming is said to be particularly likely to materialize when individual topics are studied in a single-unit learning plan. The present study examined whether this shortcoming actually occurs. University students (N=43) who were studying the quadrature of a solid wedge were asked to understand the strategy r2hπ/2, which is a necessary part of that topic. Then practice problems were presented. The first question was a triangular prism quadrature problem presented without any prior explanation, that is, it was a problem that the participants would not solve using the r2hπ/2 that they had just understood if they had distinguished the problem type and then recalled and chosen an appropriate strategy. Analysis of the participants' responses to the triangular prism quadrature problem indicated that 35 of them (81%) had attempted to solve the problem using r2hπ/2, showing that, in this situation, the shortcoming of just applying the strategy to the problem seemed to have materialized when the participants were solving the first problem. Based on these results, the discussion deals with how to understand blocked practice and how to implement it.</p>

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