Preparation
You probably can't cover everything you want to in a lecture.
Decide what is essential, what is important, and what is helpful (what would be nice).
• Cover the first; try to cover the second; forget about the third.
• Release a little control over the material and rely on the textbook or a list of supplementary readings for the nonessentials.
Set objectives.
• What do you want to have accomplished at the end of the lecture?
• What do you want the students to know at the end of the lecture?
Plan a lecture to cover less than the entire period.
• It takes some time to get going.
• Questions always take up more time than you expect.
Divide the lecture into discrete segments and follow the standard speech structure.
• Divide it both in terms of time and in terms of material.
• Try for ten or fifteen minute blocks, each one of a topic.
• Briefly summarize the previous lecture; introduce the topic(s) for the day; present the material; summarize briefly; preview any homework and the next lecture.
Lecture from notes or an outline, rather than a complete text.
• It's too tempting to simply read, rather than lecture, from a complete text.
• Reading also creates a barrier between lecturer and audience.
• Writing up an entire lecture is very time consuming.
• A written lecture often becomes a fossil that never gets updated.
From: Ten Ways to Make Your Teaching More Effective
Office of Educational Development, Division of Undergraduate Education
University of California-Berkeley
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