Six written assignments (10% each) based on topics developed in the lectures, each culminating in a short report, totalling not more than 3000 words (6x 500 words), due in weeks 3, 5, 7, 8, 10 and 12 (60%). One written 2-hour end-of-semester examination due in the examination period (40%). There is a hurdle requirement of a minimum 50% mark on examination for satisfactory completion.