“…The likelihood is that the rate of increase in part-time mode-offerings and P-type courses will decline rapidly henceforth, since there are hard and fast limits to what tutorial staff and teachers can be expected to do by way of attending study sessions in out-of-school hours. 18 Duration and timing of courses For brevity, it is not proposed here to comment on the duration of higher degree courses other than to observe that since many have research components, they tend to be listed with maximum and minimum periods of study which vary considerably. Whereas in the case of the in-service B.Ed, (substantive course), special advanced and one year handicapped children courses, the duration of full-time study was almost always one year, and this has remained constant throughout the eight year period under analysis.…”