Evaluarea personalității din perspectiva modelului Big Five. Date privind adaptarea chestionarului IPIP-50 pe un eșantion de studenți români
Keywords:
Five-Factor Model, factorial structure, validity, reliability, dezirabilityAbstract
International Personality Item Pool (IPIP) is a project aiming to develop measures of individual differences as part of the public domain. This project emerged as an alternative to personality assessment instruments, which are protected by copyright. IPIP-50 is an instrument developed through the IPIP project, which measures the five dimensions of personality: Openness, Extraversion, Emotional Stability, Conscientiousness and Agreeableness. The aim of the present study is to test the validity of IPIP-50 on a Romanian sample of students. The factor analysis revealed that the model with five correlated factors is the best suited to describe the structure of IPIP-50. The convergent validity was assessed through the correlations between IPIP-50, DECAS (Sava, 2008) and NEO-FFI (Costa & McCrae, 1992/2008); except for Agreeability, all the other factors registered high correlations (ranging from .73 to .84). The predictive validity of IPIP-50 was assessed through its correlations with behavioral indicators identified in the literature as being relevant to the five dimensions. Using the Marlowe-Crown Social Desirability scale, we developed a social desirability indicator composed of 10 IPIP-50 items. The results reported in this study suggest that IPIP-50 can be used successfully in research on Romanian samples, being an authentic support for the psychological community in Romania.
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