| Project/Area Number |
26885019
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| Research Category |
Grant-in-Aid for Research Activity Start-up
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| Allocation Type | Single-year Grants |
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| Research Field |
Social psychology
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| Research Institution | The University of Tokyo |
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Principal Investigator |
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| Project Period (FY) |
2014-08-29 – 2016-03-31
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| Project Status |
Completed (Fiscal Year 2015)
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| Budget Amount *help |
¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Fiscal Year 2015: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2014: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
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| Keywords | 量刑判断 / 対人認知 / アンカリング効果 / 認知バイアス / 裁判員裁判 / 刑罰 / 法心理学 / 社会心理学 / 量刑分布グラフ / 求刑 / 裁判員 |
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| Outline of Final Research Achievements |
A psychological experiment on the anchoring effect was performed and verified through sentencing distribution graphs utilized in lay judge trials. After a series of verifications, two points were clear: 1) That the sentence distribution graph's peak, or mode, guided lay judges' sentences; and 2) that those sentences were in line with the prosecutor's recommended sentence. Furthermore, because of its ability to demonstrate ecological results with high validity, this research has been included in academic discussions which, up until now, have seldom encompassed studies on lay judges. The foregoing results are presently being compiled as a study in an international journal.
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