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Vuijk, Richard; Deen, Mathijs; Arntz, Arnoud; Geurts, Hilde M. – Journal of Autism and Developmental Disorders, 2022
For autism spectrum disorder (ASD) in adults there are several diagnostic instruments available with a need for consideration of the psychometric properties. This study aimed to conduct a first psychometric evaluation of a new diagnostic ASD instrument, the NIDA (Dutch Interview for Diagnostic assessment of ASD in adults) in 90 adult males without…
Descriptors: Foreign Countries, Clinical Diagnosis, Psychometrics, Autism
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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
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Geurts, Hilde M.; Hartman, Catharina; Verte, Sylvie; Oosterlaan, Jaap; Roeyers, Herbert; Sergeant, Joseph A. – International Journal of Language & Communication Disorders, 2009
Background: A number of disorders are associated with pragmatic difficulties. Instruments that can make subdivisions within the larger construct of pragmatics could be important tools for disentangling profiles of pragmatic difficulty in different disorders. The deficits underlying the observed pragmatic difficulties may be different for different…
Descriptors: Check Lists, Construct Validity, Factor Structure, Clinical Diagnosis