| Project Area | Experimental Social Sciences: Toward Experimentally-based New Social Sciences for the 21st Century |
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| Project/Area Number |
19046007
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| Research Category |
Grant-in-Aid for Scientific Research on Priority Areas
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| Allocation Type | Single-year Grants |
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| Review Section |
Humanities and Social Sciences
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| Research Institution | Waseda University |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
SAKAGAMI Takayuki 慶應義塾大学, 文学部, 教授 (90146720)
FUJII Satoshi 京都大学, 大学院・工学研究科, 教授 (80252469)
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| Co-Investigator(Renkei-kenkyūsha) |
SAIJO Tatsuyoshi 大阪大学, 社会経済研究所, 教授 (20205628)
TAKAHASHI Hidehiko 京都大学, 大学院・医学研究科, 准教授 (60415429)
MINAMIMOTO Takafumi 独立行政法人放射線医学総合研究所, 研究員 (50506813)
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| Project Period (FY) |
2007 – 2012
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| Project Status |
Completed (Fiscal Year 2012)
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| Budget Amount *help |
¥38,200,000 (Direct Cost: ¥38,200,000)
Fiscal Year 2012: ¥6,600,000 (Direct Cost: ¥6,600,000)
Fiscal Year 2011: ¥6,200,000 (Direct Cost: ¥6,200,000)
Fiscal Year 2010: ¥5,900,000 (Direct Cost: ¥5,900,000)
Fiscal Year 2009: ¥5,300,000 (Direct Cost: ¥5,300,000)
Fiscal Year 2008: ¥7,200,000 (Direct Cost: ¥7,200,000)
Fiscal Year 2007: ¥7,000,000 (Direct Cost: ¥7,000,000)
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| Keywords | 意思決定、 / 意思決定過程 / リスク / 不確実性 / 行動経済 / 眼球運動分析 / 行動分析 / 心理計量 / 意思決定 / マイクロ分析 / 眼球運動 / 選択 / 注意 / 政策決定 / 曖昧性 / 無知 / 過程追跡法 / プロトコル分析 / 選好形成 / 社会的意思決定 / 状況依存性 / 暖昧性 / 瞹昧性 |
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| Research Abstract |
Main purpose of this study was to examine the micro processes of decision making by using psychological experiments, social survey, behavior observations, and psychometric modeling. We examined the effects of prior repeated choice on preference construction using eye movement equipment and social survey. Eye movement analyses of the choice process suggested that the eye gaze pattern of choice differed from the gaze cascade effect. This finding implies that the preference construction process is made by automatic repeated choice. The obtained data of social survey gave supports to the hypothesis; weights of superior (inferior) attributes of the alternative that was chosen increased (decreased), as time passed since the decision was made. This result implies the validity of the causal relation in which choices shapes preferences, which is reverse to what is generally assumed in decision research. Lastly, we found several properties of decision making process in social situations, and proposed a unified psychometric model explaining the decision making under risk and uncertainty. The, we discussed on the implications of the research findings in relation to social science. We held several workshops on microanalysis of decision making process, and published several books and papers as research outputs.
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