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Singh, Ashvind N.; Matson, Johnny L.; Mouttapa, Michelle; Pella, Russell D.; Hill, B. D.; Thorson, Ryan – Research in Developmental Disabilities: A Multidisciplinary Journal, 2009
Due to the relative inability of individuals with intellectual disabilities (ID) to provide an accurate and reliable self-report, assessment in this population is more difficult than with individuals in the general population. As a result, assessment procedures must be adjusted to compensate for the relative lack of information that the individual…
Descriptors: Item Analysis, Factor Analysis, Mental Retardation, Questionnaires