Table 2. Structure and content of the multimedia course. Tactics Technique Content offensive and defensive behaviour in one-versus-one situations (duels)….. Shooting, passing, ball control Unit 1 written basic information, static illustrations, few ideal-typical video presentations, isolated viewpoint Unit 2 repetition/summary of unit 1, animations, videos containing variable realisations, reflection in more complex situations Unit 3 repetition/summary of unit 1 and 2, various videos representing different skill levels and also containing deficient realisations