Several current international comparative large-scale assessments of educational achievement (ICLSA) make use of "Rasch models", to address functions essential for valid cross-cultural comparisons. From a historical perspective, ICLSA and Georg Rasch's "models for measurement" emerged at about the same time, half a century ago. However, the…

Most standardized testing programs do not furnish examples of the kinds of information young people actually know. Instead they indicate only (1) how far an individual student is above or below an average score, and (2) the average score of a classroom or a school in relation to others. In contrast, National Assessment evaluates educational…

Results of research performed to determine whether or not newly enrolled freshman students improved after one and one-half quarters of composition instruction at Western Illinois University are presented. Using an essay-type placement test given at initial enrollment as a pre-test, 158 students were selected as the experimental group to write…