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. 2006 Jun;18(2):192-203.
doi: 10.1037/1040-3590.18.2.192.

The mini-IPIP scales: tiny-yet-effective measures of the Big Five factors of personality

M Brent Donnellan  1 , Frederick L Oswald, Brendan M Baird, Richard E Lucas
Affiliations

The mini-IPIP scales: tiny-yet-effective measures of the Big Five factors of personality

M Brent Donnellan et al. Psychol Assess. 2006 Jun.

Abstract

The Mini-IPIP, a 20-item short form of the 50-item International Personality Item Pool-Five-Factor Model measure (Goldberg, 1999), was developed and validated across five studies. The Mini-IPIP scales, with four items per Big Five trait, had consistent and acceptable internal consistencies across five studies (= at or well above .60), similar coverage of facets as other broad Big Five measures (Study 2), and test-retest correlations that were quite similar to the parent measure across intervals of a few weeks (Study 4) and several months (Study 5). Moreover, the Mini-IPIP scales showed a comparable pattern of convergent, discriminant, and criterion-related validity (Studies 2-5) with other Big Five measures. Collectively, these results indicate that the Mini-IPIP is a psychometrically acceptable and practically useful short measure of the Big Five factors of personality.

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