This article proposes that sampling design effects have potentially huge unrecognized impacts on the results reported by large-scale district and state assessments in the United States. When design effects are unrecognized and unaccounted for they lead to underestimating the sampling error in item and test statistics. Underestimating the sampling…

State Departments of Education are turning to the use of criterion referenced, as opposed to norm referenced, models for statewide assessment. The underlying assumption in this turn of events is that results generated by criterion referenced tests within the statewide assessment context permit the drawing of value inferences about the…

The purpose of the Colorado Evaluation Project was to field test the Common Status Measures at grades four and eleven in conjunction with a statewide assessment program based on objective-referenced testing instruments developed by the Colorado Department of Education for grades kindergarten, three, six, nine, and twelve. The evaluation was…

In September 1977 a reading and language arts test, based upon 40 objectives slated for student accomplishment by the end of grade four, was administered to all Delaware fourth graders. This test, the Objective-Referenced Measure in Communications, was intended to provide entry level diagnostic information to classroom teachers and to inform…