Participants for this study were 170 male and female Iranian EFL engineering university students. They included undergraduate EFL engineering university students who have their normal general English classes at Iranian universities. They were selected from four 109 universities in Tehran. At the end of the experiment, 144 participants were qualified to be included in the final analysis; the subjects not included in the final analysis were those who were unable to complete all the experiments according to instructions, as well as those who did not take both test versions.