“When I first looked at the Robbins report some years later, I was amazed that students had been surveyed on how many hours they were taught in classes of one to four, as I had no idea that university teaching ever occurred in such small groups”.
Nick Hillman in the THE.
FWIW, during my intercalated year (Newcastle, 1980/81), the core teaching over a summer of 3 months or so, had a mode class size of n=2.