2012 Fiscal Year Final Research Report
Using Discussion Techniques to Reach Sound Decisions in Jury-like Cases featuring Hidden Bias
| Project/Area Number |
22653008
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Single-year Grants |
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| Research Field |
Criminal law
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| Research Institution | Yamaguchi Prefectural University |
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Principal Investigator |
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| Project Period (FY) |
2010 – 2012
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| Keywords | 刑事訴訟法 / 裁判員裁判 / 隠れたプロフィール / 話し合い技法 |
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| Research Abstract |
The purpose of this study is to test the effectiveness of the use of discussion techniques in helping groups arrive at correct solutions when individual members possess a preference or bias toward incorrect ones. The paper also investigates whether differences exist between groups who arrived at correct solutions and those who arrived at incorrect answers. First, the researcher created jury-like tasks that included hidden profile aspects. Second, small group experiments using round robin and word web approaches were conducted. Results showed no significant statistical differences in solutions arrived at in round robin and control conditions. Nor were any significant statistical differences found between word web and control conditions. However, decision tree and text mining analysis revealed that a round robin approach was effective in reaching the appropriate solution in some circumstances.
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