engleski

Intelligence moderates reliability of personality assessment

This study aimed to examine the influence of intelligence on personality measurement, i.e., to compare the reliability of personality assessment between participants with a different intelligence score. The study was conducted on three large datasets (N1 = 1050 ; N2 = 678 ; N3 = 830) in which different personality measure was used (BFI ; NEO- FFI ; HEXACO-100), while the same vocabulary test was used as a marker of intelligence. Verbal ability test had a normal distribution, so tertile splits were created within each sample in order to compare groups of participants who scored above (tertile 1) and below the average (tertile 3). The results show that participants in tertile 3 have higher reliability coefficients than participants in tertile 1 in BFI and NEO-FFI datasets, which support the idea that intelligence can influence psychometric properties of personality assessment. However, there is no difference between participants when HEXACO-100 was used as personality measure.

intelligence ; personality assessment ; reliability

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