著者
縄田 健悟
出版者
The Japanese Psychological Association
雑誌
心理学研究 (ISSN:00215236)
巻号頁・発行日
vol.85, no.2, pp.148-156, 2014

Despite the widespread popular belief in Japan about a relationship between personality and ABO blood type, this association has not been empirically substantiated. This study provides more robust evidence that there is no relationship between blood type and personality, through a secondary analysis of large-scale survey data. Recent data (after 2000) were collected using large-scale random sampling from over 10,000 people in total from both Japan and the US. Effect sizes were calculated. Japanese datasets from 2004 (<i>N</i> = 2,878–2,938), and 2,005 (<i>N</i> = 3,618–3,692) as well as one dataset from the US in 2004 (<i>N</i> = 3,037–3,092) were used. In all the datasets, 65 of 68 items yielded non-significant differences between blood groups. Effect sizes (<i>η</i><sup>2</sup>) were less than .003. This means that blood type explained less than 0.3% of the total variance in personality. These results show the non-relevance of blood type for personality.

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血液型で性格分けるって言う嘘は、何でこの世から消えんかねぇw 血液型と性格には関連はない、と言うことは既に学術的に証明され、論文にもなっている。 - 「血液型と性格の無関連性―日本と米国の大規模社会調査を用いた実証的論拠」… https://t.co/JBKRq7UoDB
また縄田(2014)は血液型による性格の差はほぼ無いことを統計的に明らかにしている。 https://t.co/0ORs65EOuF
これか / “CiNii 論文 -  血液型と性格の無関連性――日本と米国の大規模社会調査を用いた実証的論拠――” https://t.co/ZRQOg5WzOs

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