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…

The manual contains instruction for behavioral assessment of developmentally disabled, moderately and severely retarded individuals. Each unit includes the following information: a goal statement, specific behavioral objectives, and approximate time required to read the unit and complete all the exercises. Among the topics discussed are task…