Assessing the achievement of students in elementary and secondary schools and the nation's educational progress is fundamental to informing education policy approaches. Congressional interest in this area includes and extends beyond the annual assessments administered by states to comply with the educational accountability requirements of Title…

After employees of private firms completed several rapid reading classes and achieved remarkable gains on the Nelson-Denny Reading Test, the question was raised as to whether the increases in scores were due to the increased number of items attempted on the posttest. A preliminary analysis indicated that students attempted an average of 14.6 and…

When a program evaluation is conducted on the basis of gains made in standardized achievement test scores between a pretest and a posttest, serious bias can result where a floor effect exists on one or both of the test levels. Based upon the expanded standard scores on the Comprehensive Tests of Basic Skills from three successive regular spring…

Item parameter estimates derived through item response theory methods have been considered relatively robust to changes in item position and context, but the anomaly in reading scores from the 1986 National Assessment of Educational Progress (NAEP) illustrates problems with common population equating procedures when there are test form changes.…

Two major issues are addressed in this commentary on the National Assessment of Educational Progress (NAEP) reading assessment: the design of the reading proficiency scale and interpretation of test data; and the dimensionality of this scale and the possibility of supplying data on specific skill dimensions. An examination of NAEP data and the…

Concern was expressed for the possible effects of testing Elementary Secondary Education Act (ESEA) Title I students with norm-referenced tests that may be so difficult that many students will have scores in the chance range. The likelihood of such students obtaining equal scaled scores if they were tested with easier out-of-level tests was…