fa The Impact of Collocation Activities on Iranian Intermediate EFL Learners’ Knowledge of Vocabulary تخصصي Special پژوهشي Research <span style="font-family:times new roman,serif;"><span style="font-size:10.0pt;">The primary aim of this study was to open up new ways with which teachers could help learners improve their knowledge of vocabulary via collocation activities. This study investigated the effect of collocation activities on Iranian intermediate EFL learners&rsquo; vocabulary knowledge in order to solve their vocabulary problems. To this end, 60 female students from Pardis Institute in Lahijan, Iran participated in this study. They were divided into two groups of 30, one as an experimental group that received collocation activities as the treatment and a control group which received traditional method of vocabulary instruction. The researchers used a quasi-experimental, pre-test/post-test control group design. The data were analyzed using an Independent Samples T-test and a series of paired Samples T-tests. The findings of this study showed that collocation activities improved significantly participant learners&rsquo; vocabulary knowledge. The findings from paired-sample t-test indicated that the learners in the experimental group outperformed the control group in vocabulary knowledge. </span></span><br> &nbsp; The primary aim of this study was to open up new ways with which teachers could help learners improve their knowledge of vocabulary via collocation activities. This study investigated the effect of collocation activities on Iranian intermediate EFL learners&rsquo; vocabulary knowledge in order to solve their vocabulary problems. To this end, 60 female students from Pardis Institute in Lahijan, Iran participated in this study. They were divided into two groups of 30, one as an experimental group that received collocation activities as the treatment and a control group which received traditional method of vocabulary instruction. The researchers used a quasi-experimental, pre-test/post-test control group design. The data were analyzed using an Independent Samples T-test and a series of paired Samples T-tests. The findings of this study showed that collocation activities improved significantly participant learners&rsquo; vocabulary knowledge. The findings from paired-sample t-test indicated that the learners in the experimental group outperformed the control group in vocabulary knowledge.<br> <br> &nbsp; collocation, vocabulary, knowledge of vocabulary, EFL learners collocation, vocabulary, knowledge of vocabulary, EFL learners 70 82 http://ijreeonline.com/browse.php?a_code=A-10-1-17&slc_lang=fa&sid=1 Sanaz Pakdaman Sanaz Pakdaman 10031947532846001380 10031947532846001380 No Department of English Language Translation, Lahijan Branch, Islamic Azad University, Lahijan, Iran Abbas Pourhosein Gilakjani Abbas Pourhosein Gilakjani abbas.pourhossein@yahoo.com 10031947532846001381 10031947532846001381 Yes Department of English Language Translation, Lahijan Branch, Islamic Azad University, Lahijan, Iran Department of English Language Translation, Lahijan Branch, Islamic Azad University, Lahijan, Iran