He is particularly known for identifying the characteristics of, and influences on, deep and surface approaches to learning, and developing the Approaches to Studying Inventory  (Entwistle & Ramsden, 1983) and the Approaches and Study Skills Inventory for Students (Entwistle, McCune & Tait, 2013).
He is well-known for recognizing the features of deep and surface learning methods and developing the Approaches to Studying Inventory by Entwistle and Ramsden in 1983, as well as the Approaches and Study Skills Inventory for Students published in 2013.