A Study of Correlation among Digit Ratio, Big Five Personality Traits, and Autism-Spectrum Quotient

[Speaker] Yoshimoto, Jun:1
[Co-author] Etsuo, Mizukami:1
1:NICT (Japan)

This study investigates the relationship among second to fourth (2D:4D) digit ratio, five domain scales of the Japanese Big Five personality traits (BF), and autism-spectrum quotient (AQ). Participants were 52 Japanese persons who can read, write, and speak Japanese, ranged in age from 20 to 39 years old. Results for men (n=21) show that the negative correlation between right 2D:4D and "attention to detail (AQ subscale)" is large (r=-.700**), and negative correlations between left 2D:4D and "Agreeableness (BF domain)", "Openness to experience (BF domain)" are large (r=-.534* and r=-.516*, respectively,) too. (* p<.05, ** p<.01.) On the other hand, results for women (n=31) show that the negative correlation between left 2D:4D and "Agreeableness (BF domain)" is large (r=-.414*.) Correlations indicate that some traits are concerned with digit finger.
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