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Developing the Method for evaluating the credibility of a Victim's Statement in Law court

Research Project

Project/Area Number 17591212
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Psychiatric science
Research InstitutionHyogo University of Teacher Education

Principal Investigator

IWAI Keiji  Hyogo University of Teacher Education, Graduate School of Education, Professor (20263387)

Project Period (FY) 2005 – 2007
Project Status Completed (Fiscal Year 2007)
Budget Amount *help
¥2,020,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥120,000)
Fiscal Year 2007: ¥520,000 (Direct Cost: ¥400,000、Indirect Cost: ¥120,000)
Fiscal Year 2006: ¥300,000 (Direct Cost: ¥300,000)
Fiscal Year 2005: ¥1,200,000 (Direct Cost: ¥1,200,000)
Keywordstraumatic stress / posttraumatic stress disorder / mental iniuvry / forensic examination / nisi prius / MMPI / PK Scale / 外傷後ストレス障害 / PTSD
Research Abstract

It is crucial to precisely and correctly evaluate severity of mental injury in victims or plaintiffs in law court. But the task is quite difficult, for they unconsciously, or sometimes consciously complaint "too much" . We tried here to establish the measuring method for PTSD, of which results are hardly distorted by testees' wanting. First we focused our attention on MMPI and its subscale named PK scale (Keane,T.M., et. al.,1984). In our 55 cases including 36 patients with PTSD, both were found to be efficacious for diagnosing PTSD, and then we developed the M-PTSD Index, a simple arithmetic discriminant formula consists of some regular clinical scores of MMPI.
Next we investigated the nature of stated symptoms in simulated or "fabricated" patients in order to identify the "true" PTSD patients. Statements of simulated patients were more unstable and changeable over a couple of weeks than those of true patients

Report

(4 results)
  • 2007 Annual Research Report   Final Research Report Summary
  • 2006 Annual Research Report
  • 2005 Annual Research Report
  • Research Products

    (18 results)

All 2008 2007 2006 2005

All Journal Article (11 results) (of which Peer Reviewed: 4 results) Presentation (6 results) Book (1 results)

  • [Journal Article] Text of Children's Mental Care for General Psychiatrist2008

    • Journal Title

      Health, Labour and Welfare Ministry

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Journal Article] What psychiatrists can do and should do.to lawsuit2008

    • Author(s)
      Iwai, K
    • Journal Title

      Seishinshinkeigaku Zasshi 108(5)

      Pages: 470-474

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Journal Article] 解離現象の連続体モデルと類型学的モデル2007

    • Author(s)
      小田麻美、岩井圭司
    • Journal Title

      精神科治療学 22巻4号

      Pages: 423-429

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary
    • Peer Reviewed
  • [Journal Article] Two models of dissociation2007

    • Author(s)
      Oda, A., Iwai, K
    • Journal Title

      Seishinka Chiryogaku 22(4)

      Pages: 423-429

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Journal Article] 労災としての自殺 職場のメンタルヘルスの観点から2007

    • Author(s)
      岩井圭司
    • Journal Title

      神緑会学術誌 23

      Pages: 111-114

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 被鑑定人死亡後の精神鑑定.2006

    • Author(s)
      岩井圭司
    • Journal Title

      トラウマティック・ストレス 4巻1号

      Pages: 15-22

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary
    • Peer Reviewed
  • [Journal Article] PTSD訴訟事例に関して精神科医にできることとしなければならないこと2006

    • Author(s)
      岩井圭司
    • Journal Title

      精神神経学雑誌 108巻5号

      Pages: 470-474

    • NAID

      10018585065

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary
    • Peer Reviewed
  • [Journal Article] Posthumous forensic psychiatric examination2006

    • Author(s)
      Iwai, K
    • Journal Title

      Traumatic Stress 4(1)

      Pages: 15-22

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Journal Article] PTSD訴訟事例に関して-精神科医にできることとしなければならないこと2006

    • Author(s)
      岩井 圭司
    • Journal Title

      精神神経学雑誌 108巻5号

      Pages: 470-474

    • NAID

      10018585065

    • Related Report
      2006 Annual Research Report
  • [Journal Article] 治療者が「外」に向けて語り得ること 心的現実,外傷(トラウマ),目撃-証言,鑑定2006

    • Author(s)
      岩井 圭司
    • Journal Title

      臨床精神病理 27巻1号

      Pages: 61-62

    • Related Report
      2006 Annual Research Report
  • [Journal Article] 被鑑定人死亡後の精神鑑定-PTSDから自殺に至ったと考えられた性被害の一例-2006

    • Author(s)
      岩井 圭司
    • Journal Title

      トラウマティック・ストレス(日本トラウマティック・ストレス学会誌) 4巻1号

      Pages: 15-22

    • Related Report
      2005 Annual Research Report
  • [Presentation] PTSD症状の記述現象学的位置づけ.2006

    • Author(s)
      岩井圭司
    • Organizer
      日本トラウマティック・ストレス学会
    • Place of Presentation
      神戸
    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Presentation] PTSDにおける侵入想起症状の精神病理学的位置づけの試み.2006

    • Author(s)
      岩井圭司
    • Organizer
      日本精神病理・精神療法学会
    • Place of Presentation
      大阪
    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Presentation] PTSD symptoms viewed from descriptive phenomenology2006

    • Author(s)
      Iwai, K
    • Organizer
      Japanese Society for Traumatic Stress Study
    • Place of Presentation
      Kobe
    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Presentation] Intrusion symptom viewed from descriptive phenomenology2006

    • Author(s)
      Iwai, K
    • Organizer
      Japanese Society of Psychopathology and Psychotherapy
    • Place of Presentation
      Osaka
    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Presentation] PTSD診断と法的側面.2005

    • Author(s)
      岩井圭司
    • Organizer
      日本精神神経学会
    • Place of Presentation
      東京
    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Presentation] Legal aspect of PTSD diagnosis2005

    • Author(s)
      Iwai, K
    • Organizer
      Japanese Society of Psychiatry and Neurology
    • Place of Presentation
      Tokyo
    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Book] 一般精神科医のための子どもの心の診療テキスト(分担執筆)2008

    • Total Pages
      100
    • Publisher
      厚生労働省雇用機会均等・児童家庭局
    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary

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Published: 2005-04-01   Modified: 2016-04-21  

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