Proposes a metatheory of problem solving. Describes differences among problems in terms of their structured ness, domain specificity (abstractness), and complexity; describes individual differences that affect problem solving; and presents a typology of problems, each of which engages different cognitive, affective, and conative process and…

Description of expert system development focuses on identifying the problem, or knowledge, domain, and discusses three methods for defining the domain: (1) brainstorming, (2) concept analysis, and (3) information processing analysis, which describes cognitive processes. The techniques are illustrated by a description of an auto manfacturer's sales…

Describes the cognitive processes required to troubleshoot faults and describes an architecture based on that cognitive model for designing learning environments that engage novices in troubleshooting while supporting their construction of requisite knowledge. This model can be applied to different kinds of troubleshooting problems, enhancing the…

Explores the utility of mental models as learning outcomes in using complex and situated learning environments. Describes two studies: one aimed at eliciting mental models in the heads of novice refrigeration technicians, and the other an ethnographic study eliciting knowledge and models within the community of experienced refrigeration…

Presents a conceptual foundation for using concept mapping as a cognitive learning strategy and as a method for assessing structural knowledge; reviews the growing body of research related to both applications. Describes some of the conceptual and empirical limitations of concept mapping. (Author/AEF)