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Direct linkTsakanikos, Elias; Underwood, Lisa; Sturmey, Peter; Bouras, Nick; McCarthy, Jane – Research in Developmental Disabilities: A Multidisciplinary Journal, 2011
The present study employed the Disability Assessment Schedule (DAS) to assess problem behaviors in a large sample of adults with ID (N = 568) and evaluate the psychometric properties of this instrument. Although the DAS problem behaviors were found to be internally consistent (Cronbach's [alpha] = 0.87), item analysis revealed one weak item…
Descriptors: Measures (Individuals), Behavior Problems, Adults, Psychometrics
