Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/23106
Title: The validation of a scale to measure cognitive development in Chinese preschool children
Authors: Leung, C 
Mak, R
Lau, V
Cheung, J
Lam, C
Keywords: Assessment
Chinese
Cognitive
Preschool children
Issue Date: 2013
Publisher: Pergamon-Elsevier Science Ltd
Source: Research in developmental disabilities, 2013, v. 34, no. 7, p. 2257-2267 How to cite?
Journal: Research in Developmental Disabilities 
Abstract: The present study aimed to evaluate the reliability and validity of the cognitive sub-test of the Preschool Developmental Assessment Scale (PDAS) for Hong Kong Chinese children. Participants included 378 children (189 boys and 189 girls) aged 3-6 years old, with 324 children with typical development and 54 children with developmental disabilities. They were administered the cognitive sub-test of the PDAS and the Wechsler Preschool and Primary Scale of Intelligence - Revised (WPPSI-R). The PDAS cognitive sub-test total scores correlated positively with the WPPSI-R scores. It could differentiate children from different age groups, with younger children attaining significantly lower scores than older children. The sub-test could also differentiate children with typical development from those with developmental disabilities, with the latter attaining significantly lower scores. The sensitivity and specificity were around 80%. Internal consistency (KR-20) was .93 and test-retest reliability was .81. The cognitive sub-test of the PDAS was found to be a promising screening tool for the identification of preschool children with developmental disabilities.
URI: http://hdl.handle.net/10397/23106
ISSN: 0891-4222
DOI: 10.1016/j.ridd.2013.04.003
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