Three alternative tools to knowledge-based educational modeling were developed, using ideas from knowledge acquisition research, and their effectiveness was compared to that of an established rule-based shell. Children working with the new tools produced higher quality models and developed more positive attitudes. Knowledge acquisition systems and…

Describes an instructional model, Strategies Program for Effective Learning/Thinking (SPELT), that was developed to translate cognitive psychological theory and research into a practical instructional program. The extent to which SPELT conforms to current instructional design principles is examined, and macro versus micro instructional sequencing…

Disciplinary didactics describes and designs the actualized/virtual learning and teaching relationships among disciplinary content, learner(s), and teacher. This article adopts a semiotic perspective to outline eight shared features of the various disciplinary didactics. The goal is to situate them within an integrated vision that helps shape a…

Discusses the importance of teaching thinking skills in a rapidly changing environment and describes a framework for developing school material that cultivates decision-making skills. An instructional model that describes decision-making strategies, necessary cognitive skills, and the educational objectives for the promotion of each skill is…