Coventional true score approaches to criterion-referenced tests are not applicable when tests are used for classification. Criterion-referenced testing is now used frequently for educational decision making. The assumption is made that these instruments are to be considered as tests designed to classify into "mastery" and "non-mastery" groups,…

The Mastery-Learning test model is extended. Methods for estimating prior probabilities are described. The use of an adjustment matrix to transform a probability of mastery measure and empirical methods for estimating adjustment matrix parameters are derived. Adjustment matrices are interpreted as indicators of instructional effectiveness and as…

A technology for domain or criterion referenced testing was developed to evaluate the Minnesota Mathematics and Science Teaching Project (MINNEMAST) in grades K-6. The venture was influenced by the low achievement of MINNEMAST students on standardized tests. After instructional objectives were selected and operationally defined, corresponding test…