Drawing on Robinson’s cognition hypothesis, the study attempted to examine how task conditions influence EFL learners’ oral performance and whether learners’ individual differences in terms of tolerance of ambiguity and self-efficacy mediate the effects of such conditions. To this end, 62 Iranian intermediate EFL learners from private language institutes in Tehran performed four dyadic decision...

Much of the research exploring the features of speech that distinguish intelligibility ratings has focused on monologic speech production. This study considers whether the use of specific interactive features in task-based interaction influences interlocutors' ratings of intelligibility. Five dyads completed an information gap task and rated their partners' intelligibility following task comple...

Existing studies in conversational AI mostly treat task-oriented dialog (TOD) and question answering (QA) as separate tasks. Towards the goal of constructing a agent that can complete user tasks support information seeking, it is important to develop system handle both TOD QA with access various external knowledge sources. In this work, we propose new task, Open-Book (OB-TOD), which combines ex...