Interrater Reliability and Test-Retest Stability of the Developmental Activities Screening Inventory-II

Abstract

Problems using norm-referenced instruments to assess very young children with severe handicaps are significant. One alternative is to use criterion-referenced assessment instruments. While many psychometric characteristics common to norm-referenced tests are not appropriate for criterion-referenced assessment instruments, interrater reliability and test-retest stability (reliability) are appropriate, due to the formative, as well as summative, uses of these instruments. The Developmental Activities Screening Inventory II (DASI-II) was administered to a group of young (M age = 24.1 months) children with severe handicaps. Results indicated that interrater reliability was statistically significant across raters for all scores reported by the DASI-II and that test-retest stability was statistically significant across administrations and raters.

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