A model illustrates how humans interact with information and construct representations using short- and long-term memory. It shows that learners' prior knowledge and effective instructional materials have a significant effect on how competence is translated into good performance. (SK)

Speculates about reasons for the lack of use of concept mapping as an instructional strategy. Concludes that the two main barriers to its extensive adoption are the epistemological beliefs of classroom teachers and the underlying philosophy of the curriculum. (Contains 45 references.) (DDR)