Abstract
This study is framed within Goldberg’s (1999) proposals for the International Personality Item Pool (IPIP). The specific aim of this study was the development and validation of a brief public-domain version of the IPIP-NEO, composed by four items for each of the 30 NEO PI-R facets. In a first study the 300-item version of the IPIP-NEO was translated into Spanish and it was administered, along with NEO PI-R, to a sample of 171 students. Both rational criteria (content, item keying) and empirical criteria (frequencies, correlations with NEO PI-R facets) were considered in the selection of items for the brief version. The study was replicated with other student sample which also allowed estimation of test–retest reliabilities. On the whole, results support the brief scales reliability (Cronbach’s alpha and test–retest) and convergent validity with respect to NEO PI-R facets.
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