性質の異なる課題解決におけるプラン修正過程(行動系)
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概要
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The purpose of the present study was to investigate internal processes of "situated plan modifications" with monitoring circumstances and regulating individuals' own actions. 90 (19, 19, 52, for 9, 11, 13 year-old, respectively) children were instructed to get high marks on qualitatively different dual task with time restriction: a seal task where participants can get partial scores for each correct answer and a block task where they get a full score only when they complete it. Through four trials, changes in the order of resolution, and in the discrepancy between planned time allocation and execution were examined. The results showed two types of children: the one was the group who gathered time-related information to enhance accuracy of time estimation, resulting to increase their performance in each trial, and the other gathered multiple information such as the difficulty of the tasks and their own mastership on earlier trials, leading to better performance at the last trial. This suggests divergence in plan modification reflecting planners' assumption: "what is the purpose" and "what is to be focused".