Abstract

VUYK, M. Alexandra; INGRAM IV, Paul B; D. MULTON, Karen  and  WARLICK, Craig A. The Openness/Intellect Model on the M5-50: Supporting the Flexibility of IPIP-Based Instruments. Univ. Psychol. [online]. 2016, vol.15, n.4, pp.1-12. ISSN 1657-9267.  https://doi.org/10.11144/Javeriana.upsy15-4.caai.

This study examined ways to improve fit and interpretive capacity of the M5-50, an IPIP-based personality instrument, using the Openness/Intellect model (O/I) given a history of poor performance of the M5-50 Openness scale (Socha, Cooper, & McCord, 2010). With participants from Amazon's MTurk (n = 305), theoretical models for the five-factor model, Openness as a 10-item single factor, and the O/I model were tested and fitted poorly. After removing one problematic item, the O/I model showed acceptable fit. Findings indicate that the O/I model improved psychometric validity and interpretive capacity for the M5-50. The flexibility and open access of IPIP-based instruments such as the M5-50 makes the IPIP an optimal choice for instrument adaptation and construction in Latin America.

Keywords : IPIP; M5-50; personality; openness to experience; openness; intellect model; confirmatory factor analysis.

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