The "Self-Determination Inventory--Student Report" (SDI-SR) was developed to address the need in the field for new, theoretically aligned measures of self-determination. The purpose of this study was to establish the most robust and efficient set of items to assess the self-determination of adolescents with and without disabilities on…

The "Participation and Sensory Environment Questionnaire--Teacher Version" (PSEQ-TV) is a teacher report questionnaire designed to examine the impact of the sensory environment on participation for preschool children with autism spectrum disorder (ASD). This study examines the construct validity of the assessment through principal…

Because of the increased prevalence of autism and current legislation mandates, public schools are increasingly responsible for educating students with autism. The current literature describes a variety of instructional methods that have been successful in educating these students. However, many educators are not exposed to this information. To…

Treatment validity is a frequently neglected topic of screening instruments used to identify autism spectrum disorders. Treatment validity, however, should represent an important aspect of these instruments to link the resulting data to the selection of interventions as well as make decisions about treatment length and intensity. Research…

Published by Western Psychological Services, the "Social Responsiveness Scale" (SRS; Constantino & Gruber, 2005) was designed to assess abilities and deficits in social reciprocity. In particular, it was designed to assess subthreshold levels and severity of social impairment, a key marker of pervasive developmental disorders. The SRS may be…

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.…

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…