Christopher, I agree that students pick up the teacher's ways (and degree of preparation) very quickly. The teacher should "command the environment", not in the sense of an autocratic boss, but as a skilled facilitator of learning, ready and willing to assist students in their studies. Much of of this is silently "telegraphed" to students in the way a class is organized and conducted. Prepared and organized from day one sets the tone for the remainder of days in that class. Barry Westling