Construct validity of the WISC–IV Italian edition: A bifactor examination of the standardization sample: Chi niente sa, di niente dubita

This study utilized confirmatory factor analyses to examine the latent factor structure of the Wechsler Intelligence Scale for Children–Fourth Edition, Italian adaptation (WISC–IV Italian) standardization sample. One through five, oblique first-order factor models and higher-order as well as bifactor models were examined and compared using CFA. The bifactor model provided the best explanation of the scale’s factor structure. Across all models,...