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Using Discussion Techniques to Reach Sound Decisions in Jury-like Cases featuring Hidden Bias

Research Project

Project/Area Number 22653008
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeSingle-year Grants
Research Field Criminal law
Research InstitutionYamaguchi Prefectural University

Principal Investigator

KOUHARA Sadafusa  山口県立大学, 共通教育機構, 教授 (20225387)

Project Period (FY) 2010 – 2012
Project Status Completed (Fiscal Year 2012)
Budget Amount *help
¥1,850,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥150,000)
Fiscal Year 2012: ¥520,000 (Direct Cost: ¥400,000、Indirect Cost: ¥120,000)
Fiscal Year 2011: ¥130,000 (Direct Cost: ¥100,000、Indirect Cost: ¥30,000)
Fiscal Year 2010: ¥1,200,000 (Direct Cost: ¥1,200,000)
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
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.

Report

(4 results)
  • 2012 Annual Research Report   Final Research Report ( PDF )
  • 2011 Annual Research Report
  • 2010 Annual Research Report
  • Research Products

    (3 results)

All 2013 Other

All Journal Article (2 results) Remarks (1 results)

  • [Journal Article] 隠れたプロフィール型の問題解決課題の作成2013

    • Author(s)
      甲原定房
    • Journal Title

      山口県立大学共通教育機構紀要第4 号

      Volume: 4 Pages: 39-45

    • NAID

      110009557049

    • Related Report
      2012 Final Research Report
  • [Journal Article] 隠れたプロフィール型の問題解決課題の作成2013

    • Author(s)
      甲原定房
    • Journal Title

      山口県立大学共通教育機構紀要

      Volume: 第4号 Pages: 39-45

    • NAID

      110009557049

    • Related Report
      2012 Annual Research Report
  • [Remarks] 山口県立大学学術情報 山口県立大学共通教育機構紀要 第4号(2013)

    • URL

      http://www.l.yamaguchi-pu.ac.jp/archives/2013/01.part1/04.general%20edugation/06.gen_KOUHARA.pdf

    • Related Report
      2012 Annual Research Report

URL: 

Published: 2010-08-23   Modified: 2019-07-29  

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