Lewis, C.,, & Sheehan, K..  (1990).  Using Bayesian decision theory to design a computerized mastery test. Applied Psychological Measurement, 14, 367-386.

Lewis, C., & Sheehan, K..  (1990).  Using Bayesian Decision Theory to Design a Computerized Mastery Test. Applied Psychological Measurement, 14(4), 367-386.