The Impact of Interaction on Task-based Language Teaching—in the view of the Interaction Hypothesis

For a long time, educators and researchers have been searching for the most proper ways for teaching and learning. Theconcept of‘task'has been introduced into educational field in 1980 s. In Nunan(1989)'s model of task, there are five phases in-cluding goal, input, activity, teacher role, learner role and settings.With regard to activities, it is essential for teachers to encouragetheir students to engage in them through interaction. This article will study the impact of interaction on TBLT though a sample.