This article reports on a study that examined the effectiveness of an intervention using text messages to enhance the academic vocabulary acquisition of English language learners (ELLs). With a random control trial design, we compared students' learning gain of target vocabulary (direct effect) and its subsequent impact on academic vocabulary…

The following commentary presents an overview of earlier studies of discourse functions and syntactic complexity as well as recent investigations that focus on interaction and measures of syntactic and lexical complexity in learners' output in traditional classrooms and computer-mediated environments. Recent studies emphasize the need for better…

This is an empirical study in which we explore child foreign language learners' interactional strategy use, uptake, and lexical acquisition in synchronous computer-mediated communication (SCMC). The study was carried out with 16 10-year-old Spanish English as a foreign language learners paired with age- and proficiency-matched English native…