Aviation technician students used Thinking Aloud Pair Problem Solving (TAPPS) while using the computerized Technical Troubleshooting Tutor. TAPPS, a cooperative leaning strategy, enhanced students' troubleshooting skill, training efficiency, competence, and confidence compared to a control group. (SK)

Explores how a set of possible student misconceptions about solving a complex problem can be used in computer-based intelligent tutoring systems and in computer-based exercise and test generation. Topics discussed include expert systems, misconception covers, discrimination trees, methods of acquiring the set of misconceptions, and protocol…

Reviews the current status of intelligent tutoring systems and summarizes the literature that evaluates these systems. Discussion highlights the problems of inadequate models, the lack of protocol analysis in systems design, and flaws in testing methodologies. (20 references) (CLB)

Considers the role of library and information science professionals as knowledge engineers. Highlights include knowledge acquisition, including personal experience, interviews, protocol analysis, observation, multidimensional sorting, printed sources, and machine learning; knowledge representation, including production rules and semantic nets;…

Examines the methodological procedures of expert systems being used in reading research. Identifies four methodological techniques: (1) intact group comparisons, think-aloud protocols, retrospective analysis, and naturalistic inquiry. Notes internal validity threats for each type, and recommends longitudinal descriptive studies on poor readers to…