Collaborative Writing in Writing Process: How Effective?

This quasi-experimental research aims to investigate the effect of collaborative writing on students' writing skill at SMA Negeri 3 Padang Panjang.The population was 80 students of grade eleventh.The samples, which were selected by using cluster random sampling, were categorized as the experimental and control class.Each class was taught with different strategies, the experimental class was taught by using collaborative writing strategy and the control class was taught by using conventional teaching strategy.The data were collected through a writing test to gain students' writing skill on different components of writing.The results of study show that collaborative writing strategy helped students in generalizing their writing ideas.It also found that their background knowledge about the topic of the texts and field-related vocabulary effected on their writing.Furthermore, the findings apply some implication for teachers facing the effect of collaborative writing and students' writing skill.