Structural analysis of the facets and domains of the Zuckerman–Kuhlman–Aluja Personality Questionnaire (ZKA–PQ) and the NEO PI–R
García Rodríguez, Luis Francisco
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Aluja, Kuhlman, and Zuckerman (2010) developed an instrument for American and Spanish populations (Zuckerman–Kuhlman–Aluja Personality Questionnaire [ZKA–PQ]) that includes 4 facets for each 5 basic traits of Zuckerman’s psychobiological personality model. This new instrument is intended to improve the previous measure based on the same personality model, the Zuckerman–Kuhlman Personality Questionnaire (ZKPQ), by including the narrower traits (facets) defining the factors. This article explores the convergent and discriminant validity of the new instrument relative to the NEO PI–R in a sample from the Spanish general population. A series of exploratory factor analyses comparing both instruments was conducted. Results showed good convergent and discriminant validity between both instruments, although the ZKA–PQ had a slightly better structure than the NEO PI–R. The results support the validity of the ZKA–PQ factor domains and the facets composing them. The new instrument might be useful in both applied and research settings.