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Wuang, Yee-Pay; Wang, Li-Chen; Su, Chwen-Yng – Research in Developmental Disabilities: A Multidisciplinary Journal, 2010
The aim of this study was to examine the validation of the Hooper Visual Organization Test (HVOT) for use in children by testing for item fit, unidimensionality, item hierarchy, reliability, and screening capacity. A modified scoring system was devised for the HVOT so that children received some credit for being able to describe the function of…
Descriptors: Test Bias, Down Syndrome, Scoring, Item Response Theory