Only if you assume you react to all individuals at the same time constantly. In our lectures we try to make them interactive, but the degree of interactiveness

Only if you assume you react to all individuals at the same time constantly. In our lectures we try to make them interactive, but the degree of interactiveness varies based on the level and number of attendants. Questions are asked and answered in the 200 people lectures as well, and they improve the lectures for a lot of people.