Discussion of differences between problem-solving techniques of novices and experts suggests that both the experts' mental model and common novice problems can be derived from analyses of several expert and novice protocols. Three instructional strategies based on these differences are discussed, including the use of a computer simulation to solve…

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…