Considers well-structured problems versus ill-structured problems and presents models for how learners solve them, as well as models for designing instruction to support problem-solving skill development. Information processing theories of learning, an emerging theory of ill-structured problem solving, constructivist learning, and situated…

Considers the question of whether instructional methods are replaceable or interchangeable. Topics discussed include the influence of external events on learning and cognitive processes, media variables, linking instructional design to research on learning from instruction, construct validity, and an example of adequate instructional design and…

Examines instructional design theories and elaborates principles about when learning is promoted, i.e., when learners are engaged in solving real-world problems, when existing knowledge is activated as a foundation for new knowledge, and when new knowledge is demonstrated to the learner, applied by the learner, and integrated into the learner's…

Compares seven positions on media influences on learning that were presented in a previous journal issue; discusses the conflict between advocates of a given approach versus integrated approaches to the solving of complex problems; and presents a model that links cognitive processes to computer-based prescriptions for improvements in learning. (35…

Discusses changes needed in the field of educational technology and recommends future directions. Topics discussed include instructional theories; descriptive versus prescriptive theories; analysis versus synthesis; a formative evaluation approach to research; the relationship of research and development; organizational methods for instruction;…