Intentionality and Vocabulary Acquisition in an EFL Context: The Use of Theme-based Subtitled Video Clips Cris Delatado Barabas A dissertation submitted in partial fulfillment of the requirements for the degree of Master of Arts in Advanced Educational Practice Supervised by: Dr John Smith Institute of Education University College London, UK September 2020 This dissertation may be made available to the general public for borrowing, photocopying or consultation without the prior consent of the author.