The success of an intervention depends not only upon its theoretical soundness, but also on proper implementation that reflects the guidelines derived from its theoretical conception. Debates surrounding the effectiveness of problem-based learning (PBL) have focused on its theoretical conception and students' learning outcomes, but implementation…

This paper describes a rationale for, and conceptual framework of, learning via open-ended learning environments (OELEs). It highlights development of theories-in-action with OELEs, including the roles of context, system response/feedback, and levels of processing. Discussion also includes examples of theory building via OELEs and implications for…

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…