Development of a preschool developmental assessment scale for assessment of developmental disabilities.

03:08 EDT 21st October 2014 | BioPortfolio

Summary of "Development of a preschool developmental assessment scale for assessment of developmental disabilities."

The aim of this paper was to describe the development of the cognitive domain of the Preschool Developmental Assessment Scale (PDAS) for assessment of preschool children with developmental disabilities. The initial version of the cognitive domain consisted of 87 items. They were administered to 324 preschool children, including 240 children from preschools and 84 children with developmental disabilities. Initial Rasch analysis results indicated that the fit statistics of 42 of the items were outside the acceptable range. Based on the fit statistics and considering the overall structure of the scale, the revised version consisted of 40 items and this version conformed to the Rasch expectations. The revised 40-item scale could differentiate between children with typical development and children with developmental disabilities. It could also differentiate between children from different age groups. The internal consistency estimate (KR-20) was .93. The cognitive domain of the PDAS is considered a promising developmental assessment tool for assessment of developmental disabilities.

Affiliation

Department of Applied Social Sciences, The Hong Kong Polytechnic University, Hung Hom, Hong Kong.

Journal Details

This article was published in the following journal.

Name: Research in developmental disabilities
ISSN: 1873-3379
Pages:

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A scale comprising 18 symptom constructs chosen to represent relatively independent dimensions of manifest psychopathology. The initial intended use was to provide more efficient assessment of treatment response in clinical psychopharmacology research; however, the scale was readily adapted to other uses. (From Hersen, M. and Bellack, A.S., Dictionary of Behavioral Assessment Techniques, p. 87)

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