Tests can be categorized into two major groups: norm-referenced tests (NRTs) and criterion-referenced tests (CRTs). NRTs are designed to highlight achievement differences between and among students to produce a dependable rank order of students across a continuum of achievement from high achievers to low achievers. With NRTs, a representative…

Both norm-referenced and criterion-referenced interpretations of student, school, district, and state testing data can be improved by customizing the traditional norm-referenced test. Improvements that can be made include: (1) increasing the relevance of the test to the curriculum and (2) having greater confidence in the national comparative…

This Digest discusses cultural influences that may lead to the inappropriate diagnosis of a young student as developmentally delayed, and the need to use assessment instruments that are appropriate for use with culturally and linguistically diverse families. In order to determine the appropriateness of norm-referenced instruments for children from…