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Experimental Research of Judiciary Politics

Research Project

Project/Area Number 21K18409
Research Category

Grant-in-Aid for Challenging Research (Exploratory)

Allocation TypeMulti-year Fund
Review Section Medium-sized Section 5:Law and related fields
Research InstitutionTohoku University

Principal Investigator

Morita Hatsuru  東北大学, 法学研究科, 教授 (40292817)

Co-Investigator(Kenkyū-buntansha) 尾野 嘉邦  早稲田大学, 政治経済学術院, 教授 (70598664)
Project Period (FY) 2021-07-09 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥5,980,000 (Direct Cost: ¥4,600,000、Indirect Cost: ¥1,380,000)
Fiscal Year 2023: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Fiscal Year 2022: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2021: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Keywords実証法学 / 実験 / 司法政治 / 消費者法 / 実証分析
Outline of Research at the Start

日本の法学研究では,実証研究が少しずつ出現し始めてはいるものの,観察データに依拠したものが主で,実験データを利用した実証研究は少ない。そこで本研究は,実験データに基づいた実証研究を展開することを主要な目的とする。米国においては,どの裁判官がどの判決文を執筆したかが明らかなことから,裁判官の属性や当事者の属性が判決にどのような影響を与えるのかについての研究が盛んである。これに対し,日本では,このようなデータが存在しないことから,同様の研究が難しい。そこで,本研究では,日本においても実施可能な,実験を活用した司法政治の実証研究の手法を探っていく。

Outline of Final Research Achievements

By conductingonline experiments, we explored what factors determine the public's decision to participate in jury trials and what factors determine the public's evaluation toward the fairness of Japanese judges. For the former, we showed that concurrence effects and penalties are effective, and for the latter, we found that female judges tend to be evaluated as more fair than male judges.

Academic Significance and Societal Importance of the Research Achievements

日本の法学においては,まだ,実験データを利用した実証研究がほとんど行われてきておらず,日本社会という社会的制度的文脈において,法学の実験研究がどこまで有効性を持つのか,まだはっきりしていない。研究分野としても,本研究は,日本では未開拓な司法政治という研究分野を,法学者と政治学者の共同作業で切り開いていこうとするものであり,挑戦的な意義を持つ。本研究は,裁判際裁判への参加意志決定・裁判官に対する公正性評価という点で,興味深い研究成果を示すことができ,司法政治における実験研究の意義を示すことができた。

Report

(4 results)
  • 2023 Annual Research Report   Final Research Report ( PDF )
  • 2022 Research-status Report
  • 2021 Research-status Report
  • Research Products

    (17 results)

All 2024 2023 2022 2021

All Journal Article (10 results) (of which Int'l Joint Research: 4 results,  Peer Reviewed: 6 results,  Open Access: 3 results) Presentation (6 results) (of which Int'l Joint Research: 5 results) Book (1 results)

  • [Journal Article] Too Young to Run? Voter Evaluations of the Age of Candidates2024

    • Author(s)
      McClean Charles T.、Ono Yoshikuni
    • Journal Title

      Political Behavior

      Volume: - Issue: 4 Pages: 2333-2355

    • DOI

      10.1007/s11109-024-09920-2

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Quality of public governance and voluntary tax payment: experimental evidence from Indonesia2023

    • Author(s)
      Krisnanto Dwi、Iraman Endra、Ono Yoshikuni、Kakinaka Makoto
    • Journal Title

      Applied Economics Letters

      Volume: 30 Issue: 4 Pages: 543-547

    • DOI

      10.1080/13504851.2021.1998317

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] The Effects of Negative and Positive Information on Attitudes toward Immigration.2022

    • Author(s)
      Akira Igarashi and Yoshikuni Ono
    • Journal Title

      International Migration

      Volume: 60 Issue: 4 Pages: 137-149

    • DOI

      10.1111/imig.12916

    • Related Report
      2022 Research-status Report
    • Peer Reviewed
  • [Journal Article] Neoliberal Ideology and Negative Attitudes toward Immigrants: Evidence from a Survey and Survey Experiment in Japan2022

    • Author(s)
      Akira Igarashi and Yoshikuni Ono
    • Journal Title

      Journal of Applied Social Psychology

      Volume: 52 Issue: 12 Pages: 1146-1157

    • DOI

      10.1111/jasp.12916

    • Related Report
      2022 Research-status Report
    • Peer Reviewed
  • [Journal Article] 有権者の理由、候補者の事情をデータで見る なぜ日本は女性議員が少ないのか2022

    • Author(s)
      尾野嘉邦
    • Journal Title

      中央公論

      Volume: 136 Pages: 110-117

    • Related Report
      2022 Research-status Report
  • [Journal Article] マーケットモデルとイベントスタディ~虚偽記載事例を題材に 〔実務法曹のための分析手法の基礎知識 第2回 証券訴訟における損害算定〕2022

    • Author(s)
      森田果
    • Journal Title

      ジュリスト

      Volume: 1578 Pages: 50-55

    • Related Report
      2022 Research-status Report
  • [Journal Article] オンライン取引における約款の拘束性に対する消費者の評価2022

    • Author(s)
      森田果
    • Journal Title

      社会問題を解決するデジタル技術の最先端

      Volume: 1 Pages: 115-132

    • Related Report
      2022 Research-status Report
  • [Journal Article] Ascriptive Characteristics and Perceptions of Impropriety in the Rule of Law: Race, Gender, and Public Assessments of Whether Judges Can Be Impartial2022

    • Author(s)
      Yoshikuni Ono, Michael A. Zilis
    • Journal Title

      American Journal of Political Science

      Volume: 66 Issue: 1 Pages: 43-58

    • DOI

      10.1111/ajps.12599

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] 裁判員に来てもらうにはどうすればよいだろうか?2021

    • Author(s)
      森田果,尾野嘉邦
    • Journal Title

      法律時報

      Volume: 93 Pages: 85-92

    • NAID

      40022629705

    • Related Report
      2021 Research-status Report
  • [Journal Article] Tax compliance and social desirability bias of taxpayers: Experimental evidence from Indonesia2021

    • Author(s)
      Endra Iraman, Yoshikuni Ono, Makoto Kakinaka
    • Journal Title

      Journal of Public Policy

      Volume: forthcoming Issue: 1 Pages: 92-109

    • DOI

      10.1017/s0143814x21000040

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Presentation] Gender Role in Corporate Scandal Press Conference: An Experimental Evidence from Japan2023

    • Author(s)
      Hatsuru Morita
    • Organizer
      MPSA 2023
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Immutable attributes of judges and the public’s perception of their rulings in Japan2023

    • Author(s)
      Hatsuru Morita
    • Organizer
      LSA 2023
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Women Use More Positive Language than Men2023

    • Author(s)
      Yoshikuni Ono, Tiffany Barnes, Charles Crabtree, and Akitaka Matsuo
    • Organizer
      2023 Society for Affective Science Preconference
    • Related Report
      2022 Research-status Report
    • Int'l Joint Research
  • [Presentation] Why Are There More Women in the Upper House?2022

    • Author(s)
      Yoshikuni Ono, Yuko Kasuya, and Hirofumi Miwa
    • Organizer
      2022 Midwest Political Science Association Annual Meeting
    • Related Report
      2022 Research-status Report
    • Int'l Joint Research
  • [Presentation] Why are there more women in the upper house?2022

    • Author(s)
      尾野嘉邦、粕谷祐子、三輪洋文
    • Organizer
      日本政治学会総会
    • Related Report
      2022 Research-status Report
  • [Presentation] Immutable attributes of judges and the public’s perception of their rulings in Japan2022

    • Author(s)
      Hatsuru Morita
    • Organizer
      CELSA 2022
    • Related Report
      2022 Research-status Report
    • Int'l Joint Research
  • [Book] 社会問題を解決するデジタル技術の最先端2023

    • Author(s)
      馬奈木 俊介(森田果)
    • Total Pages
      296
    • Publisher
      中央経済社
    • ISBN
      9784502446511
    • Related Report
      2022 Research-status Report

URL: 

Published: 2021-07-13   Modified: 2025-01-30  

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