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Direct linkPandolfi, Vincent; Magyar, Caroline I.; Dill, Charles A. – Journal of Autism and Developmental Disorders, 2010
The GARS-2 (Gilliam 2006) is widely used for autism screening; however, the validity of its three conceptually-derived subscales has not been evaluated. In this study, exploratory (EFA) and confirmatory (CFA) factor analyses of data from matched subgroups of the standardization sample did not support the GARS-2 subscale structure. EFAs identified…
Descriptors: Autism, Factor Analysis, Test Construction, Rating Scales
