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Sizoo, Bram B.; Horwitz, E. H.; Teunisse, J. P.; Kan, C. C.; Vissers, C. T. W. M.; Forceville, E. J. M.; Van Voorst, A. J. P.; Geurts, H. M. – Autism: The International Journal of Research and Practice, 2015
While various screening instruments for autism spectrum disorders are widely used in diagnostic assessments, their psychometric properties have not been simultaneously evaluated in the outpatient setting where these instruments are used most. In this study, we tested the Ritvo Autism Asperger Diagnostic Scale-Revised and two short versions of the…
Descriptors: Autism, Pervasive Developmental Disorders, Questionnaires, Adults