The model stresses interactions among specific combinations of cognitive task requirements, learner characteristics, and instructional treatment properties, in a manner analogous to the aptitude-treatment interaction (ATI) model. "Supplantation" is the provision of overt assistance to learners in performing a specific process required by…

Proposes a taxonomy which describes interactivity and adaptation outside the context of any particular medium. Designed to facilitate the instructional design and media selection processes, this taxonomy is represented as a cube whose axes represent interactivity and internal and external adaptation levels. Levels of interactivity and adaptation…

Advances in cognitive science have greatly increased our knowledge of how the human mind stores and uses information. That knowledge can be used to decompose curricular objectives so as to increase the specificity of instruction to a level of precision that should greatly enhance student writing. This article identifies some major types of…