摘要:Previous literature has revealed that collaborative manner of learning improves the second language acquisition. The present study was conducted to investigate the effect of a collaborative learning task compared to direct method on the FL vocabulary acquisition. To this end, two groups of intermediate EFL learners (N=38) were treated through collaborative task and direct method respectively. The learners were subjected to a pretest, a Snowball task and a direct method, and a post test over a period of one month. The result of T-test data analysis revealed that collaborative learning task played a significant role in improving learner’s vocabulary knowledge, and there was significant difference between the present collaborative learning task and direct learning method .Therefore, the findings of this study have implications for teachers , learners, and syllabus and textbook designers .