多属性意思決定における類似性効果，魅力効果，妥協効果に関する多測度分析

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タイトル別名
  • A multi-measure analysis of the similarity, attraction, and compromise effects in multi-attribute decision making
  • タゾクセイ イシ ケッテイ ニ オケル ルイジセイ コウカ,ミリョク コウカ,ダキョウ コウカ ニ カンスル タソクド ブンセキ

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In multi-attribute decision making, the similarity, attraction, and compromise effects warrant specific investigation as they cause violations of principles in rational choice. In order to investigate these three effects simultaneously, we assigned 145 undergraduates to three context effect conditions. We requested them to solve the same 20 hypothetical purchase problems, each of which had three alternatives described along two attributes. We measured their choices, confidence ratings, and response times. We found that manipulating the third alternative had significant context effects for choice proportions and confidence ratings in all three conditions. Furthermore, the attraction effect was the most prominent with regard to choice proportions. In the compromise effect condition, although the choice proportion of the third alternative was high, the confidence rating was low and the response time was long. These results indicate that the relationship between choice proportions and confidence ratings requires further theoretical investigation. They also suggest that a combination of experimental and modeling studies is imperative to reveal the mechanisms underlying the context effects in multi-attribute, multi-alternative decision making.

収録刊行物

  • 心理学研究

    心理学研究 83 (5), 398-408, 2012

    公益社団法人 日本心理学会

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