This digest discusses sources of error in testing, several approaches to estimating reliability, and several ways to increase test reliability. Reliability has been defined in different ways by different authors, but the best way to look at reliability may be the extent to which measurements resulting from a test are characteristics of those being…

This digest presents seven strategies that an assessment director may use to improve test administration practices. These strategies highlight clear communication, the responsibility of the Building Test Coordinator, and rewarding and reinforcing quality. The strategies are: (1) focusing on communication; (2) designating a building test…

This Digest overviews legal challenges in five areas of test use for decision-making in schools: ability tracking, placement in special education classes, test scores as college admissions criteria, test disclosure, and teacher competency testing. Cases illustrating these challenges are described and include: Hobson v. Hansen (1967), Moses v.…

This ERIC Digest discusses implications derived from the final report of the National Commission on Excellence in Education, "A Nation at Risk." The first implication is a motivational one for measurement specialists: it is an ego-booster. The report is replete with results yielded from various testing programs, the fruit of the…

This digest presents an overview of accommodations for students of limited English proficiency (LEP) and an overview of inclusion practices on statewide assessments, with emphasis on the accommodation known as linguistic simplification. The inclusion of LEP students in statewide testing programs over the last decade has been uneven. In the…

This digest focuses on academic testing and American Indian and Alaska Native (AI/AN) students. Ideally, test results should be used to improve student learning. Proponents of high-stakes testing say it is needed to measure student achievement and school quality and to hold students and teachers accountable. High-stakes testing is also used to…

Performance-based assessment has the potential to support a richer curriculum and more accurately assess the skills of low-income minority students than standardized tests. Performance-based assessment has the following advantages: (1) it allows a wide range of expression; (2) it permits assessment of learning in a natural context while students…