Agus Mulyana Ketua Penguji Nirna Nirmala Dosen Pembimbing 2 Hudaya Latuconsina Dosen Pembimbing 1 Isnaniah Penguji 1 Tenia Ramalia Penguji 1 Divi Adinsyah Pengarang

The aim of this research was to know whether there is a significant effect of collaborative writing technique at the tenth grade of SMAN 10 Tangerang. This research is quasi-experiment and was conducted by using quantitative method, with 35 students as the sample which taken non-random by using purposive sampling. The hypothesis data was tested using formula of Wilcoxon Sign Rank. There was a significant effect of collaborative writing students’ writing skill at the tenth grade of SMAN 10 Tangerang. The reaction of students towards collaborative writing showed significant result. Their score increased because of students learnt how to produce a genre text (recount text) with their peers who had score which is above the minimum criteria. Students who had a score below minimum criteria. got guidance from their peers who had score above minimum criteria. Moreover, students had pre-test scores which is below minimum criteria, got increased score of post-tests after getting guidance by their peers. So, it can be concluded that there was an improvement of students’ writing skill after the implementation of learning how to produce text by using collaborative writing.