Houam, MostefaBouri, Hadj2018-07-022018-07-022017http://hdl.handle.net/123456789/3853Cohesive devices are a way to achieve a cohesive writing which is considered as an important element for learners to improve their writing and making their meaning comprehensible to the receiver. It is an aspect that enables learners to have a crystal clear language. The purpose of present inquiry is to investigate the relationship between CDs and quality of EFL student writing paragraphs. The problem lies in the lack of using an appropriate CD, we hypothesize that a there is a relationship between using CDs and writing proficiency. To confirm and prove this hypothesis, an experiment design has been conducted. Both groups: an experimental group and a control one. This research based on the students' production (pretest and posttest) in which the experimental group received a period of treatment while the control group has no interference. This study showed that: even though students are sensitized toward the appropriate use of CDs, and on top of that they still have facing the problem of varying the implementation of CDs, the T-test: independent t-test between control and experimental group (comparison of results) and Dependent t-test within the experimental group (pre results and post results) have been processed by assessing students' first and second writing production. Based on the finding, first year LMD students have difficulty when it comes to the use of CDs and this confirmed by the rejection of alternative hypothesis in the favor of null hypothesis.enCohesive devicesWriting paragraphWriting proficiencyOther