Multigroup confirmatory factor analysis reveals structural invariance across gender in NEO-FFI traits, highlighting implications for psychological assessment.
Multigroup confirmatory factor analysis was used to investigate measurement and structural invariance of item-cluster subcomponents of the NEO-FFI across gender (N = 388). Results indicated invariance of factor loadings, factor variances, and factor covariances. Some differential item function (intercepts) was observed, primarily with one subcomponent of the neuroticism domain (negative affect). Failure to account for the noninvariant intercepts resulted in larger estimated latent mean differences. For other subcomponents with noninvariant intercepts, the impact appeared to be minimal. Results of structured means analysis indicated significantly different latent means on 9 of the 12 subcomponents, with significantly greater means for women on 8 of the subcomponents.
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Ronald C. Feldt (2014) studied this question.
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