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Backer van Ommeren, Tineke; Koot, Hans M.; Scheeren, Anke M.; Begeer, Sander – Journal of Autism and Developmental Disorders, 2015
Poor reciprocity is a defining feature of an autism spectrum disorder (ASD). In the current study, we examined the reliability and validity of the Interactive Drawing Test (IDT), a new instrument to assess reciprocal behavior. The IDT was administered to children and adolescents with ASD (n = 131) and to a typically developing group (n = 62). The…
Descriptors: Pervasive Developmental Disorders, Autism, Behavior Rating Scales, Children
Rojahn, Johannes; Tasse, Marc J.; Sturmey, Peter – American Journal on Mental Retardation, 1997
Development of the Stereotyped Behavior Scale for adolescents and adults with mental retardation is described. Use with 600 individuals resulted in refinement and a 26-item scale with an internal consistency alpha of 0.88, test-retest reliability of p=0.90, and interrater reliability of p=0.76. (DB)
Descriptors: Adolescents, Adults, Behavior Patterns, Behavior Rating Scales