In 1991 Allan Collins, John Seely Brown and Ann Holum published 'Cognitive Apprenticeship: Making Thinking Visible'. Nearly a quarter of a century later John Tomsett encountered their paper and since then, it has influenced his teaching immeasurably. Collins et al. believed that 'domain (subject) knowledge ... provides insufficient clues for many students about how to actually go about solving problems and carrying out tasks in a domain'. They believed...