The Effect of Incidental vs. Intentional Instruction of Collocations on Iranian EFL Learners’ Writing Scores

Articles in Press

Document Type : Research Paper

Authors

1 Department of English Language Teaching, ET. C., Islamic Azad University, Tehran, Iran

2 Department of English Language Teaching, WT. C., Islamic Azad University, Tehran, Iran

Abstract

To be proficient in writing, learners of foreign languages are expected to communicate effectively and effortlessly with native speakers. Collocations, defined as the natural pairings of words, are essential for achieving proficiency in a language and enhancing writing quality. This research explored how incidental and intentional instruction of collocations affected the participants’ written task scores. This study included 60 students at the pre-intermediate level who studied English at Safir Language School in Tehran, Iran. These students were grouped according to their proficiency test results to ensure homogeneity. They used the Touchstone series and the English Collocations in Use as their primary textbooks. After each unit, they had to do a written task. The results indicated that both incidental and intentional instruction positively impacted the students' writing scores. Notably, those in the incidental instruction group outperformed their counterparts in the intentional group. The findings showed incidental instruction of collocations was more effective than intentional teaching.  The outcomes of the study can assist educators in choosing effective teaching strategies for collocations to boost writing performance, syllabus designers in incorporating these insights into educational materials to enhance vocabulary instruction, teachers in emphasizing the benefits of incidental learning, and learners in focusing on the importance of collocations, as unfamiliarity with these word combinations may hinder their writing skills. Conducting studies with larger sample sizes to validate the findings in broader settings, and exploring incidental/intentional teaching to students with varying skills, expertise, gender, and experiences are also suggested for further studies. 

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Journal of English Language Teaching and Learning

Articles in Press, Accepted Manuscript
Available Online from 06 August 2025

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