The aim of this particular model is to provide a coherent framework for the integration of the various aspects of learning, while at the same time allowing enough room for creativity and variety to florish. The model consists of four elements: input, content focus, language focus, task (HUTCHINSON and WATERS,1987).
Hutchinson and Waters (1987) present a material design model based on four elements: input, content, language and task. According to the authors, the primary focus of the unit is:
