This review presents a novel framework for evaluating evidence based on a set of parallel criteria that can be applied to both group and single-subject experimental design (SSED) studies. The authors illustrate use of this evaluation system in a systematic review of 67 articles investigating social skills interventions for preschoolers with autism…

Asperger's syndrome (AS), first diagnosed in 1944, and has only recently begun to receive a great deal of research attention. An emerging controversy has been whether AS is a distinct condition from high functioning autism (HFA), and if so, can it be reliably and validly diagnosed. While measures designed specifically to aid in the screening and…

This article provides in-depth information regarding the most commonly used instruments for the screening or diagnosis of autistic spectrum disorders. Reliability, validity, format, and target population are presented to help clinicians select appropriate diagnostic measures. Future directions in the development of new instruments are discussed.…

The reliability, validity, and clinical utility of the Asperger Syndrome Diagnostic Scale in the diagnosis of pervasive developmental disorders are reviewed. While the measure holds promise as a research tool, there appears little evidence that it can distinguish among the variety of types of pervasive developmental disorders, or diagnose Asperger…

This article describes two developmental assessment instruments used by teachers working with students with autism: the Psychoeducational Profile-Revised (PEP-R) and the Adolescent and Adult Psychoeducational Profile. Information is provided on administrator qualifications, item administration, scoring, reliability, and validity. One teacher's use…