According to J. Platt, J. Richards, and H. Weber, a task is an "activity or action which is carried out as the result of processing or understanding language." They argue that tasks provide a purpose to learners, encourage interaction and promote target language as a means to an end. Tasks are purposeful, goal-oriented, engage learners and can be problem-solving or consensus building. Hence, ALL of the options on the previous page hold true.
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