Paper published. Abstract: This exploratory study examines the extent to which mode differentially impacts the quantity and quality of interactional features in second language (L2) task-based interaction. Following a within-subject, repeated measures design, intermediate adult learners (n = 20) completed four (counter-balanced) tasks with a confederate interlocutor in the following conditions: audio-chat, video-chat, text-chat, and multimodal chat […]