Examining Measurement Invariance and Differences in Age Cohorts on the Supports Intensity Scale-Children's Version-Catalan Translation.

Data from 949 children and adolescents with intellectual disability ages 5 to 16 for whom the Supports Intensity Scale-Children's Version-Catalan Translation was completed was used, in combination with data from the U.S. standardization sample, to examine measurement invariance and latent differences in the Catalonian sample.