“…Iranian EFL learners face with many problems in English writing. Furthermore, in the context of task-based language teaching, 7(1):184-192 numerous studies have been carried out and the present study was evoked by many research studies on the field of focus on form, the importance of using task-based assessment (Namazi, 2007), the effect of structured-input instruction and out-put based instruction (Erlam, 2003),DIG task as an output based-task (Kooshafar, Youhanaee & Amirian, 2012;Kim, 2008;Kuiken & Vedder, 2002a;Swain, 1998;Swain, 2000;Swain & Lapkin, 2001) and CR task as an input based-task (Takimoto, 2009, Fotos, 1994Fotos & Ellis,1991) which signify the prominent role of tasks in language learning.…”