In order to ensure the effectiveness of instruction on a new topic, teachers must help students recall prior "prerequisite" learning. The type of learning to be recalled varies with the type of learning outcome expected. (RJG)

Mastery learning is a philosophically based approach to teaching and learning which focuses on effective individualized instruction in the group oriented classroom setting. This article discusses the development and application of mastery learning theory and its implications for teachers. (JN)

This article elaborates on three principles which are the foundation of the developmental approach to early childhood education. These principles are multiage grouping, nongraded curricular materials, and interactive teaching. (IAH)

Various instructional models for use in classrooms with both mildly handicapped and nonhandicapped students are described: (1) developmental model; (2) inquiry and inductive reasoning models; (3) behavioral model; (4) perceptual motor theory; (5) diagnostic-prescriptive models; and (6) individual education plan. (CJ)