Describes a program that makes a teacher accountable for students' failures. A prototype system for diagnosis, prescription, implementation, and collection of feedback is being tested in three high school elementary algebra classes, and preliminary results show a 40 percent decrease in student failures. (VT)

Use of knowledge of results (KOR) to enhance effectiveness of computer based training is discussed and examples of the use of data presentation and utilization techniques for individual (naval aviator) and team (military tactical team) training are presented. (MBR)