The relationship among delusional ideation, distrust and aggression in Japanese junior-high and high school students
| Project/Area Number |
17530503
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Clinical psychology
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| Research Institution | The University of Tokyo (2006-2007)
Yokohama National University (2005) |
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Principal Investigator |
ISHIGAKI Takuma The University of Tokyo, Graduate school of Arts and Sciences, associate professor (70323920)
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| Co-Investigator(Kenkyū-buntansha) |
TANNO Yoshihiko The University of Tokyo, Graduate school of Arts and Sciences, professor (60179926)
INOUE Kako Yokohama National University, Faculty of Education and Human Sciences, professor (10242372)
OKADA Morihiro Yokohama National University, Faculty of Education and Human Sciences, professor (30018056)
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| Project Period (FY) |
2005 – 2007
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| Project Status |
Completed (Fiscal Year 2007)
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| Budget Amount *help |
¥3,270,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥270,000)
Fiscal Year 2007: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2006: ¥1,100,000 (Direct Cost: ¥1,100,000)
Fiscal Year 2005: ¥1,000,000 (Direct Cost: ¥1,000,000)
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| Keywords | delusional ideation / junior-high and high school student in Japan / distust / aggression / Bayesian theory / 対人信頼感 |
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| Research Abstract |
The aim of this research is the investigation of delusional ideations in young adolescence, which has not been researched in detail in Japan. The research started from development of "PDI for-Japanese junior high students" based on Peters, et al. Delusion Inventory (Peters, et al., 1999) Japanese version (Yamasaki, et al., 2004). We did that in collaboration with teachers of junior-high school. It is suggested that junior-high school students also experience delusional ideations, and we can see the tendency of increasing from 2nd grade (14 years old). PDI for adult was used for 2nd grade students in high school (17 years old) and university- students, and the distributions of PDI total score in 2 groups are not different. And girls have more delusional ideations than boys in junior-high and high school students.
We can investigate not only the total score of PDI, but also the degree of distress. preoccupation and conviction in delusional ideation. In the degree of distress and preoccupation. the score of university student is higher than that of junior-high school student. But in the frequency of delusional ideation, the result is reverse.
In both of junior-high school student and university student. there are the relationship between delusional ideation and distrust, delusional ideation and hostility. It is suggested that young adolescent experience same delusional ideation as of adult because we can see the same relationship in adult.
There is the characteristic cognition, "Jump to Conclusion (JTC)", in the adult with delusional ideation. In this research, the psychological experiment based on Bayesian theory was practiced to university student. As the result, student with delusional ideation make a judgment about probability depended on the bias related with JTC, "poor gathering of information".
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Report
(4 results)
Research Products
(24 results)
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[Presentation] 医療心理学の課題と展望2006
Author(s)
石垣琢麿
Organizer
第70回日本心理学会
Place of Presentation
福岡国際会議場(九州大学)
Year and Date
2006-11-04
Description
「研究成果報告書概要(和文)」より
Related Report
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[Presentation] Psychoiogical approach to Schizophrenia2006
Author(s)
Yoshihiko Tanno, Takuma Ishigaki
Organizer
The Japanese Psychological Association 70th Annual Meeting
Place of Presentation
Fukuoka International Congress Center : Kyushu University.
Year and Date
2006-11-03
Description
「研究成果報告書概要(欧文)」より
Related Report
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[Presentation] 中学生の妄想的観念2005
Author(s)
市口亜希・石垣琢麿
Organizer
第69回日本心理学会
Place of Presentation
慶応大学
Year and Date
2005-09-10
Description
「研究成果報告書概要(和文)」より
Related Report
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