パーソナリティ研究
Online ISSN : 1349-6174
Print ISSN : 1348-8406
ISSN-L : 1348-8406
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日照時間とパーソナリティ――外向性と神経症傾向の地域差に注目して
吉野 伸哉下司 忠大小塩 真司
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ジャーナル フリー

2020 年 28 巻 3 号 p. 256-259

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The present study examined the relationships of sunshine duration with extraversion and neuroticism. Previous studies suggested that individuals living in regions that receive little direct sunlight tend to experience depression and lack of sleep, which are associated with particular personality traits. Moreover, they are associated with increases in the amount of serotonin with longer daylight durations. We used a Japanese dataset including 18,922 adults (9,227 females; mean age: 47.74) and conducted a prefecture-level analysis. Results of multiple regression analysis indicated that neuroticism was negatively associated with sunshine duration while extraversion was not. The results showed that sunshine duration may explain the variance of regional differences in personality traits.

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