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2021 Fiscal Year Final Research Report

Development of cognitive model based on Bayesian inference and information compression

Research Project

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Project/Area Number 19K03211
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 10010:Social psychology-related
Research InstitutionSenshu University

Principal Investigator

Kosugi Koji  専修大学, 人間科学部, 教授 (60452629)

Co-Investigator(Kenkyū-buntansha) 国里 愛彦  専修大学, 人間科学部, 教授 (30613856)
清水 裕士  関西学院大学, 社会学部, 教授 (60621604)
平川 真  広島大学, 人間社会科学研究科(教), 講師 (50758133)
Project Period (FY) 2019-04-01 – 2022-03-31
Keywordsベイズ統計 / 社会的態度 / 心理測定
Outline of Final Research Achievements

The first result is a theoretical organization of the introduction of Bayesian statistics into psychology. Bayesian statistics includes classical Bayesian theory and information statistics, each of which has different assumptions and emphases, and the use of Bayesian statistics in psychology has a wide range of interpretive possibilities. It was an important step for us to reorganize the issues and reaffirm the assumptions.
The second achievement was the rediscovery of the classical knowledge of psychological entities and their measurement, which is represented as a model of the mind. This was achieved through a study of the literature to solidify the theoretical foundations of the measurement of data and subjective probability, which are the assumptions of the model.

Free Research Field

社会心理学

Academic Significance and Societal Importance of the Research Achievements

ベイズ統計学を予測モデルとするか,記述モデルとするか,規範モデルとするかなど,さまざまな位置付けが可能な中で,それぞれの立場や理論の仮定と限界に自覚的であることが重要である。その意味で,理論的背景やベイズ統計学の歴史的経緯,心理学におけるベイズ統計学の位置付けなどが体系的に整理され,共有できるようになったことは意義がある。
また心理学がモデル化しようとしている,心的実体を何と捉えるかについては,測定方法と不可分なところがあり,尺度理論を再発見したり新しい社会的態度モデルを提供できたことは,学術的に大きな意義がある。

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Published: 2023-01-30  

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