Brief report: Testing measurement invariance and differences in self‐concept between adolescents with and without physical illness or developmental disability

The aim of this study was to test for measurement invariance and examine differences in global self-concept between adolescents with and without physical illness or developmental disability. The sample consisted of adolescents 10-19 years who participated in the Canadian National Longitudinal Survey of Children and Youth (N=8491). Multiple group confirmatory factor analysis was used to test for measurement invariance. Twenty-three percent …