Big Five similarity between dyadic members with voluntary working linkage

[Speaker] Iwai, Ritsuko:1,2
[Co-author] Iseki, Ryuta:2, Kumada, Takatsune:1,2
1:RIKEN BSI Toyota Collaboration Center, RIKEN (Japan), 2:Graduate School of Informatics, Kyoto University (Japan)

Personality similarity between two individuals, especially in martial couples and friends has drawn attention. The foci, however, remain on individual differences in each personality trait. This study, rather, challenged an elaboration on personality trait-patterns within-individual and how such patterns were similar or different in dyadic relationships, in the context of more unstructured daily settings. This study compared Big Five personality traits (TIPI-J) of dyadic members (N = 295 pairs) of young adults who participated in four-hour-duration psychological experiments. The participations required one to find a counterpart by him-/herself and coordinate their schedule in advance. They also needed to come to the laboratory together on the scheduled day. The analysis revealed that most of the pairs shared quite similar scores of personality traits except one or two distinctive of five factors. The result suggests that personality similarity in Agreeableness and Conscientiousness plays an important role in voluntary working linkage.
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