The assessment of oral proficiency in English for Specific Purposes (ESP) contexts remains a central challenge for researchers, test developers, and classroom teachers (Knoch & Macqueen, 2020). This problem is apparent especially in Tourism and Hotel Management (THM) programs, where students are tested mostly based on grammar, vocabulary, and…

There are two primary challenges for instructors in offering a high-quality course at large scale. The first is scaling educational experiences to such a large audience. The second major challenge encountered is that of enabling adaptivity of the educational experience. This thesis addresses both major challenges in the way of high-quality…