The design of the Cognitive Tutor Algebra I (CTA1) intelligent tutoring system assumes that students work through sections of material following a pre-specified order, and only move on from one section to the next after mastering the first section's skills. However, the software gives teachers the flexibility to override that structure, by…

To make training cost-effective for its small systems customers, Digital Equipment Corporation provides self-paced training packages for several years that can be used by its customers on-site. To control the quality of this training, Digital is now incorporating computer managed instruction (CMI) into some of these packages. This CMI component…

The objective of the study is to convince educational researchers of the necessity for "standard mastery curves" for the graphical representation of scores on summative tests for a group of students. Attention is drawn to the study of theoretical and empirical skew curves in education and biology. Use of standard mastery curves and study…

Students undergoing a mastery-variable time-variable undergraduate educational psychology course were studied in order to determine the effects of level of mastery chosen (by the students for a final grade) on time taken to reach criterion level over five course examinations. When equated for trials to criterion, no such grade aspiration effect…