He has written extensively on assessment matters, with a focus on oral assessment and the influence this form of assessment can have on student learning. He is the editor of Assessment, Learning and Judgement in Higher Education (Springer), co-author (with David Carless and Fun Lui) of How Assessment Supports Learning: Learning-oriented Assessment in Action ( Hong Kong University Press), and co-author of the David Boud led Assessment 2020: Seven Propositions for Assessment Reform in Higher Education. Gordon is a member of the Editorial Board of Assessment and Evaluation in Higher Education. His current projects include a study of veterinary students’ experience of final year vivas and an exploration of the contextual influences on academic decision making in assessment matters.