This is a four-week study aimed to investigate the influence of group activities on grammar mistakes of EFL students’ writing. The study was conducted with the random selection of 25 second-year students from non-English major classes at Dong Nai University, in which 13 are female and the rest are male. The study used pre- and post-trial writings, and after-school classes for group activities during the pre-and post-treatment to unveil the result of the study. |