Has the gap in average standardized test scores between students from high- and low-income families widened, narrowed, or remained stable over the last 3 decades? The question is important both because the achievement gap is measure of how (un)equally educational opportunities are distributed in the US, and because the disparity in educational…

Results from international large-scale assessments (ILSAs) garner considerable attention in the media, academia, and among policy makers. Although there is widespread recognition that ILSAs can provide useful information, there is debate about what types of comparisons are the most meaningful and what could be done to assure more sound…

Why has large-scale standardised testing attracted such a bad press? Why has pedagogic benefit to be derived from test results been downplayed? The paper investigates this question by first surveying the pros and cons of testing in the literature, and goes on to examine educators' responses to standardised, large-scale tests in a sample of low…

"High Schools That Work" (HSTW) is a school improvement initiative that was inaugurated by the Southern Regional Education Board (SREB) in 1987. The main purpose of this concurrent validity study is to evaluate one or more measures by investigating their relationship to other commonly used and established measures given at or about the…

Outlines some recent developments in test-item analysis which are based upon a model of educational measurement developed by the Danish mathematician Georg Rasch. Illustrations of how science teachers in the United Kingdom can use the Rasch model are also included. (HM)