The overarching goal of this design-based research was to explore WhatsApp's potential for facilitating and supporting speaking and pronunciation instruction in an EFL large-class speaking course. More specifically, this paper explored the perceived learning outcomes of WhatsApp-supported pedagogy in large English-speaking classes. Ninety-nine…

Large class sizes tend to be a standard feature nowadays of most ESL/EFL classes at the secondary and tertiary education levels in many countries, including Thailand. Chulalongkorn University Language Institute (CULI) too is affected by this phenomenon. To investigate (1) English teachers' perceptions of the optimal class size as well as the…

This study investigated the effects of the Jigsaw II cooperative learning (CL) model and whole class instruction in improving learners' reading comprehension, vocabulary acquisition, and motivation to read. Forty-four grade five English as a foreign language learners participated in the study, and a posttest-only control group experimental design…