Abstract

MARTINEZ, Alexandra; MOSCOSO, Silvia  and  LADO, Mario. Faking effects on the factor structure of a quasi-ipsative forced-choice personality inventory. Rev. psicol. trab. organ. [online]. 2021, vol.37, n.1, pp.1-10.  Epub Mar 29, 2021. ISSN 2174-0534.  https://dx.doi.org/10.5093/jwop2021a7.

Research has shown that faking behavior affects the factor structure of single-stimulus (SS) personality measures. However, no published research has analyzed the effects of this phenomenon on the factor structure of forced-choice (FC) personality inventories. This study examines the effects of faking, induced in a laboratory setting, on the construct validity of a quasi-ipsative FC personality inventory based on the Five-Factor Model. It also examines the moderator effect of the type of experimental design (between-subject and within-subject design) on factor analyses. The results showed that (a) data fit to a structure of five-factors in the two conditions (honest and faking) in both experimental designs; (b) model fit indices are also good or excellent in all cases; and (c) Burt-Tucker’s congruence coefficients between convergent factors of conditions analyzed are very high. These findings provide evidence that the quasi-ipsative FC format is a robust instrument that controls the effects of faking on factor structure. Finally, we discuss theoretical and practical implications of these findings for personnel selection and assessment.

Keywords : Faking; Five-factor model; Quasi-ipsative forced-choice; inventories; Construct validity; Measurement equivalence/ invariance.

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