Two Mini-IPIP versions, balance and Positive Wording: validity and cross-cultural invariance

Background . The Mini-IPIP scales (Donellan et al., 2006) is possibly one of the most commonly used short inventories for measuring the Big Five Factors of personality. In this study, we aimed to investigate the psychometric properties of two Mini-IPIP Spanish short forms, one balance and one Positive Wording (PW). Method. Two samples, one from native Spanish speakers and another from native English speakers, made up a total of 940 participants in this study. Both samples were screened with an instructional manipulation check. The short forms were translated and adapted based on international guidelines. Reliability (internal and composite) and validity analyses (construct ESEM, concurrent, predictive and cross-cultural invariance through multi-group factorial models) were performed. Results. For both the balanced scale and the PW one, modeling a method factor was not relevant. The reliability and validity indices of both forms, were according to theory and prior studies’ findings: (a) personality factors were medium-high related with affective factors; (b) personality factors were less related with life satisfaction than affective factors; (c) life satisfaction was medium-high related with affective factors; (d) Neuroticism appeared mainly related with all criteria variables; and (e) an acceptable level of invariance was achieved with regard to the English version. Discussion. This study contributes to research on personality assessment by providing the first evidence regarding the psychometric properties of a PW short measure. These results suggest that PW short scales of personality used after data screening techniques may be appropriate for future studies (e.g., cross-cultural, content validity). Abstract 29 Background . The Mini-IPIP scales (Donellan et al., 2006) is possibly one of the most 30 commonly used short inventories for measuring the Big Five Factors of personality. In this study, 31 we aimed to investigate the psychometric properties of two Mini-IPIP Spanish short forms, one 32 balance and one Positive Wording (PW). 33 Method. Two samples, one from native Spanish speakers and another from native English 34 speakers, made up a total of 940 participants in this study. Both samples were screened with an 35 instructional manipulation check. The short forms were translated and adapted based on 36 international guidelines. Reliability (internal and composite) and validity analyses (construct 37 ESEM, concurrent, predictive and cross-cultural invariance through multi-group factorial 38 models) were performed. 39 Results. For both the balanced scale and the PW one, modeling a method factor was not 40 relevant. The reliability and validity indices of both forms, were according to theory and prior 41 studies’ findings: (a) personality factors were medium-high related with affective factors; (b) personality factors were less related with life satisfaction than affective factors; (c) life 43 satisfaction was medium-high related with affective factors; (d) Neuroticism appeared mainly related with all criteria variables; and (e) an acceptable level of invariance was achieved with 45 regard to the English version. results