Conventional mastery tests designed to make optimal mastery classifications were compared with fixed-length and variable-length adaptive mastery tests. Comparisons between the testing procedures were made across five content areas in an introductory biology course from tests administered to volunteers. The criterion was the student's standing in…

The sequential probability ratio test (SPRT), developed by Abraham Wald, is one statistical model available for making mastery decisions during computer-based criterion referenced tests. The predictive validity of the SPRT was empirically investigated with two different and relatively large item pools with heterogeneous item parameters. Graduate…

The 1976 Educational Testing Service (ETS) Invitational Conference served as a platform for individuals who have been prominent in educational measurement and research to present their views on issues surrounding the testing controversy. The 1976 ETS "The Testing Scene: Chaos and Controversy," presents a historical review of events surrounding the…