Abstract
A screening battery composed of the K-BIT, PPVT-3, WRAT-3, and CVLT was administered to a population of adults with developmental disabilities residing in an intermediate care facility/mental retardation. The cognitive areas investigated were general ability, receptive vocabulary, achievement, and verbal memory. Of primary interest were the correlations between these instruments when administered to this population. The correlations between the K-BIT, PPVT-3, and WRAT-3 were direct and strong, ranging from .72 to .98, whereas the correlations between these tests and the CVLT were direct and moderate, ranging from .45 to .69. These findings support the convergent validity of the K-BIT, PPVT-3, and WRAT-3, and the divergent validity of the CVLT when administered to adults with developmental disabilities.
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Powell, S., Plamondon, R. & Retzlaff, P. Screening Cognitive Abilities in Adults with Developmental Disabilities: Correlations of the K-BIT, PPVT-3, WRAT-3, and CVLT. Journal of Developmental and Physical Disabilities 14, 239–246 (2002). https://doi.org/10.1023/A:1016084604822
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DOI: https://doi.org/10.1023/A:1016084604822