Wikis have been increasingly integrated into English-writing teaching and have served as one of the Web's most crucial social-networking tools, improving the writing of EFL learners worldwide. The purpose of this study has been to examine the positive effects of wiki-mediated collaborative writing and peer feedback on the grammatical and lexical…

The study investigated the interaction patterns of six ASEAN EFL university students when they worked in small groups on two collaborative writing tasks: a descriptive essay and an argumentative essay. Both groups were homogeneous in terms of gender and heterogeneous in terms of home countries. Data collection included pre- and posttest writing,…