The net effect of the conditions under which tests are taken was empirically investigated using the scores obtained by high school students on an English and a mathematics test. (Author/BB)

Any systematic approach to the assessment of students' ability implies the use of a model. The more explicit the model is, the more its users know about what they are doing and what the consequences are. The Rasch model is a strong model where measurement is a bonus of the model itself. It is based on four ideas: (1) separation of observable…

For the past six years the National Assessment of Educational Progress has sponsored a national Conference on Large-Scale Assessment, designed to promote and improve communications among educational assessment personnel in State Departments of Education and other agencies. This volume contains most of the papers that were accepted for presentation…