調整型セルフ・コントロールと遅延または労力を伴う報酬の価値割引との関係

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  • Relationships between redressive self-control and discounting of reward with delay or effort
  • チョウセイガタ セルフ ・ コントロール ト チエン マタハ ロウリョク オ トモナウ ホウシュウ ノ カチ ワリビキ ト ノ カンケイ

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Based on the Redressive subscale of the Reformative-Redressive Self-control Scale (Sugiwaka, 1995), 10 high-scoring (highest 25%: HRD group) and 9 low-scoring (lowest 25%: LRD group) college students were selected, all with Reformative subscale scores within the intermediate 50%. They were then given (1) a hypothetical delay-discounting task, where they chose between ¥100,000 available after a delay and a lesser amount of money available immediately, and also (2) a hypothetical effort-discounting task, where they chose between ¥100,000 available by an effort (writing a paper) and a lesser amount of money available with no effort. Using the indifference points, discount rates (k-values) based on Mazur’s (1987) hyperbolic equation and the areas under the curve (AUC) were calculated. The k-value was significantly smaller in the HRD group than in the LRD group for both the effort-discounting and the delay-discounting tasks. The AUC was significantly larger in the HRD group than in the LRD group for both tasks. Possible interactional processes between Reformative Self-control and Redressive Self-control affecting discounting were discussed.

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  • 心理学研究

    心理学研究 84 (3), 267-273, 2013

    公益社団法人 日本心理学会

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