The purpose of this article is to provide evidence of the technical adequacy of the Assessment, Evaluation, and Programming System--Third Edition (AEPS-3). The AEPS has long been identified as one of the most psychometrically sound early childhood curriculum-based assessments. In this article, results of three studies of technical adequacy are…

This study provides preliminary evidence for reliability and validity of the Hawaii Early Learning Profile Strands 0-3 (HELP Strands 0-3), an assessment instrument for young children. First, the degree of interobserver agreement for a sample of representative HELP items was examined; results indicated that HELP scoring was dependable and…

This study explores the impact of one-to-one computing on student achievement in Ohio high schools as measured by performance on the Ohio Graduation Test (OGT). The sample included 24 treatment schools that were individually paired with a similar control school. An interrupted time series methodology was deployed to examine OGT data over a period…

Evaluators use their eyes to see what is there, whether it is intended or not. But they use their test instruments to measure what is intended, whether it is there or not. Evaluators have been broadening their repertoire of instruments for years: curriculum-embedded tests, observer checklists, audiotape recorders, videotape recorders, unobtrusive…