Collaborative writing tasks have been claimed to offer language learning opportunities because they implicitly draw learners' attention to form. Nevertheless, their efficacy has been claimed to be moderated by proficiency, as low proficiency learners tend to override form over meaning. These claims, however, are mostly based on adult learners and…

Although research about the effectiveness of second or foreign language collaborative writing for jointly written products has proliferated in the last few decades, there has been less examination of whether and how pre-task preparation could maximize the language learning opportunities that collaborative writing can afford learners. Informed by…