Development and Psychometric Properties of the Greek Personality Adjective Checklist (GPAC)
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abstract
This study presents the development and the psychometric properties of the Greek Personality Adjective Checklist (GPAC), a new instrument assessing personality in the Greek population. The GPAC is based on the lexical hypothesis tradition and its theoretical framework was derived from the emic study of the Greek personality lexicon ( Saucier, Georgiades, Tsaousis, & Goldberg, 2005 ). It consists of 94 adjectives measuring six concrete dimensions: Even Temper, Introversion/Melancholia, Prowess/Heroism, Agreeableness/Positive Affect, Conscientiousness, and Negative Valence/Honesty. Results from exploratory and confirmatory factor analyses provided support for a six-factor solution for the structure of Greek personality. Additional results provided empirical evidence for the reliability of the GPAC. The Cronbach’s α coefficients for the six scales ranged between .85 and .95. The test-retest correlation coefficients ranged between .71 and .85. Finally, preliminary results provided evidence of construct validity based on convergence correlations with other personality measures such as the Traits Personality Questionnaire 5 (TPQue5), the Big Five Inventory (BFI), and the 50 Big Five Factor Markers (50 BFFM), as well as other criterion personality measures such as the Eysenck Personality Questionnaire (EPQ). It is concluded that the GPAC is a reliable and valid measure, useful for the assessment of normal personality in the Greek population.
