2019 Fiscal Year Final Research Report

The validity and utility of the DSM diagnosis for psychological assessment: an empirical study

Research Project

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Project/Area Number	17K04423
Research Category	Grant-in-Aid for Scientific Research (C)
Allocation Type	Multi-year Fund
Section	一般
Research Field	Clinical psychology
Research Institution	Kyushu University
Principal Investigator	KUROKI Toshihide 九州大学, 人間環境学研究院, 教授 (60215093)
Co-Investigator(Kenkyū-buntansha)	本村啓介独立行政法人国立病院機構肥前精神医療センター(臨床研究部), 臨床研究部, 常勤医師 (60432944)
Project Period (FY)	2017-04-01 – 2020-03-31
Keywords	DSM / カテゴリー / ディメンション / パーソナリティ障害 / 心理アセスメント / PID-5 / 臨床的有用性 / ケース・フォーミュレーション
Outline of Final Research Achievements	To elucidate the validity and clinical utility of the DSM-5 alternative model of personality disorders in psychological assessment, the following surveys were performed. (1) We developed a Japanese version of the Personality Inventory of the DSM-5 (PID-5-J) and confirmed its reliability and validity, recommending its wide application for clinical assessment of personality disorders. (2) Caregivers working for demented elderly in the hospitals and care homes appreciated the reports on each individual's personality traits based on the NEO-PI-R survey, suggesting the clinical utility in sharing of the personality trait assessment. (3) We attempted a case formulation that complements the DSM diagnosis for psychiatric patients who were hospitalized in an emergency ward of the psychiatric hospital. These results suggest that the dimensional model of the psychiatric diagnosis, at least in part, of personality disorders may ensure clinical utility as well as validity and reliability.
Free Research Field	臨床心理学
Academic Significance and Societal Importance of the Research Achievements	DSM-5パーソナリティ調査票（PID-5）日本語版の開発により、わが国のパーソナリティ障害の臨床心理学研究において新しい方向論を示した意義は大きい。また、精神疾患診断のカテゴリー的モデル（分類的評価）とディメンション的モデル（数量的評価）のそれぞれの臨床的有用性とその限界について明らかにしたことにより、心理専門職のアセスメント技術のみならず、広くメンタルヘルス分野の専門職の臨床技能の向上に貢献し、よってわが国のメンタルヘルスの改善に寄与することが期待されることから、その意味での社会的意義も大きい。