The use of accommodations is often recommended to remove barriers to academic testing among English Learners (ELs). However, it is unclear whether accommodations are particularly effective at improving ELs' test scores. A growing foundation of empirical work has explored this topic. We conducted a meta-analysis that examined several possible…

This report provides an update on the state of the research on testing accommodations as well as to identify promising future areas of research. Previous reports by NCEO have covered research published since 1999. We summarize the research to review current research trends and enhance understanding of the implications of accommodations use in the…

A report providing an update on the state of the research on testing accommodations as well as to identify promising future areas of research. Previous reports by NCEO have covered research published since 1999. NCEO summarizes the research to review current research trends and enhance understanding of the implications of accommodations use in the…

A review of the research on item writing, item format, test instructions, and item readability indicated the importance of instrument structure in the interpretation of test data. The effect of failing to consider these areas on the content validity of achievement test scores is discussed. (Author/GK)

This report is a review and analysis of the psychometric literature on the topic of out-of-level testing. Out-of-level testing refers to the practice of using a level of the test other than the test taken by most of the students in a student's current grade level. Much of the research on out-of-level testing was conducted in the 1970s and 1980s,…

Most seasoned test developers recognize the importance of thoughtful decision making when constructing a test. Unfortunately, many classroom achievement tests are created by novice test developed who have not received sufficient instruction in item writing (G. Gulliksen, 1986; R. J. Stiggins, 1991). The result is often a test that is poorly…

A review of the basic information on intelligence testing as a schooling practice is presented, including a discussion of what intelligence is and three psychological approaches to studying intelligence (psychometric, behavioristic, and developmental). All intelligence tests derived from the psychometric approach are standardized and…