The purpose of this paper is to describe a few planning issues to be borne in mind when discussing the presentation of a teaching-learning strategy. Three general areas are discussed: the socioeconomic context (the diagnostic phase), the developmental stage (the experimental stage), and the implementation phase. The first step in the planning…

The purpose of the teacher-learner strategy (TLS) project is ostensibly to test different instructional arrangements in different national contexts to see which ones obtain the best results. The logic of this approach is compelling. Yet it is the orderly appearance of the TLS project that might be its greatest problem. The doctrine of external…