Experimental verification of the anchoring effect of a punishment reference histogram
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- Watamura Eiichiro
- Faculty of Letters, Keio University Japan Society for the Promotion of Science
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- Wakebe Toshihiro
- Graduate School of Medicine, The University of Tokyo Japan Society for the Promotion of Science
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- Saeki Masahiko
- Faculty of Law and Economics, Chiba University
Bibliographic Information
- Other Title
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- 量刑分布グラフによるアンカリング効果についての実験的検証
- リョウケイ ブンプ グラフ ニ ヨル アンカリング コウカ ニ ツイテ ノ ジッケンテキ ケンショウ
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Abstract
This study verified the influence of a punishment reference histogram on the sentences of lay judges. In Experiment 1, 80 undergraduates determined the prison terms of an offender in an audio trial. About half the students were shown a histogram with a peak of the punishment meted out in similar cases and the remainder a histogram without it. The peak was set as a relatively short prison term (5–10 yrs) considering the seriousness of the crime (murder). The result indicated that the peak-histogram group chose significantly shorter prison terms than did the non-peak-histogram group, suggesting that the peak influenced the former’s sentencing. Moreover, Experiment 2 showed that the peak of the histogram influenced participant sentencing more strongly than a table, although both held the same punishment data, and that the same shaped histogram of different data did not. From these results, we concluded that the anchoring effect of the histogram is most likely to be caused by the visual attractiveness of the peak.
Journal
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- Japanese Journal of Social Psychology
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Japanese Journal of Social Psychology 30 (1), 11-20, 2014
The Japanese Society of Social Psychology
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Details
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- CRID
- 1390282679467370368
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- NII Article ID
- 110009851556
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- NII Book ID
- AN10049127
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- ISSN
- 21891338
- 09161503
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- NDL BIB ID
- 025703856
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL
- CiNii Articles
- KAKEN
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- Abstract License Flag
- Disallowed