| Project/Area Number |
22KF0331
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| Project/Area Number (Other) |
21F21012 (2021-2022)
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| Research Category |
Grant-in-Aid for JSPS Fellows
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| Allocation Type | Multi-year Fund (2023)
Single-year Grants (2021-2022) |
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| Section | 外国 |
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| Review Section |
Basic Section 10040:Experimental psychology-related
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| Research Institution | Aoyama Gakuin University |
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Principal Investigator |
松田 いづみ (2021, 2023) 青山学院大学, 教育人間科学部, 准教授 (80356162)
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| Co-Investigator(Kenkyū-buntansha) |
ORTHEY ROBIN 青山学院大学, 教育人間科学部, 外国人特別研究員
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| Host Researcher |
松田 いづみ (2022) 青山学院大学, 教育人間科学部, 准教授 (80356162)
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| Foreign Research Fellow |
ORTHEY ROBIN 青山学院大学, 教育人間科学部, 外国人特別研究員
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| Project Period (FY) |
2023-03-08 – 2024-03-31
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| Project Status |
Completed (Fiscal Year 2023)
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| Budget Amount *help |
¥1,400,000 (Direct Cost: ¥1,400,000)
Fiscal Year 2023: ¥400,000 (Direct Cost: ¥400,000)
Fiscal Year 2022: ¥700,000 (Direct Cost: ¥700,000)
Fiscal Year 2021: ¥300,000 (Direct Cost: ¥300,000)
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| Keywords | Concealed Information / Autonomic Nervous System / Stimulus Similarity / Psychophysiology / Stimulus Generalization |
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| Outline of Research at the Start |
We develop a novel application of a tool used by the Japanese police to elicit information from suspects about a crime. By examining how physiological responses to specific stimuli generalize we aim to extract locations significant to a crime using city and subway maps.
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| Outline of Annual Research Achievements |
The purpose of this research project is to broaden the application of the Concealed Information Test (CIT) as a knowledge detection tool. The CIT is used by the Japanese police for two purposes. First, to identify perpetrators by demonstrating that a suspect has factual knowledge about a crime, and second, to elicit novel information from a suspect to aid the investigators, also known as searching CIT (sCIT). In principle, the examinee is presented with a question followed by multiple plausible answers while physiological indices are recorded. The test follows a simple logic, if you have no knowledge of the crime all answers produce the same response, but if you know the truth, the correct answer will elicit an elevated response compared to the rest.
In this project I focus on expanding the sCIT. Specifically, I intent to examine the effects of stimulus similarity among the answer alternatives. I do so by examining if answers similar to the correct answer elicit larger responses respective to their degree of similarity. Furthermore, I examine if the traditional set of distinct answer alternatives can be applied to continuous stimuli, such as routes and maps.
The results of this project are directly applicable to the CIT practices used in Japan today. The findings could help CIT practitioners to better understand how answer alternatives should be selected to maximize the detection accuracy of the CIT and they may allow practitioners to use the sCIT in situations that are difficult for the traditional sCIT, such as finding the location of a stolen item with a map of the city.
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