High replicability in personality psychology

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Science  26 Apr 2019:
Vol. 364, Issue 6438, pp. 348
DOI: 10.1126/science.364.6438.348-b

According to the Big Five theory of personality, personality traits can be organized into five primary dimensions, including extraversion, agreeableness, conscientiousness, neuroticism, and openness to experience. These dimensions are associated with myriad life outcomes, such as job satisfaction or health. Soto conducted a replication study of 78 previously published personality–life outcome findings after high-profile failures by others to replicate studies in other areas of psychology. Of personality–life outcome effects, 87% replicated successfully with effect sizes that were 77% as large as those in the original studies. Replicability was predicted by features of the original studies and the replication studies. These results suggest that findings in personality psychology are more robust than in other subareas of psychology.

Psych Sci. 10.1177/0956797619831612 (2019).

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