So Mazur gave what he thought was a thorough and thoughtful explanation of the concept. He went slowly, putting all kinds of helpful diagrams up on the board.
"I thought I'd nailed it," he says. "I thought it was the best explanation one could possibly give of this question."
Mazur triumphantly turned around. "Any questions?" he asked. The students just stared at him.
"Nobody raised their hand and said, well but what if this and what if that, simply because they were so confused they couldn't," he says. "I didn't know what to do. But I knew one thing. I knew that 50 percent of the students had given the right answer."
Carol Mortensen on 21 Jul 11"This feature is our annotated guide to the most useful websites for teaching U.S. history and social studies. We have carefully selected and screened each website for quality and provide a paragraph annotation that summarizes the site's content, notes its strengths and weaknesses, and emphasizes its utility for teachers. Information is provided on the type of website (Archive, Electronic Essay, Gateway, Journal, Organization, Syllabi/Assignments) and the type of resource (text, images, audio, and video). Browse sites by topic and time period or look through a list of some of our favorite sites on this page. The full search feature allows you to quickly locate WWW.History resources by topic, time period, keyword, or type."
