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• Answers to Reading quizzes were due 90 minutes before the class meeting at which the material is to be discussed. Each quiz has three questions, two of which require short-essay answers, one of which is multiple choice. Students submit their answers over the Web. The instructor reads the answers the night before the lecture and again 1-2 hours before the lecture, abstracts a variety of answers, and prepares the lecture based on the student responses. Answers are later graded (I gave one point for each correct--or nearly correct answer. Thus 24 points out of 1000 were based on Reading Quizzes). Typically 80% of the class participated.
• The answers to the weekly "What's Physics Good For" features and extra-credit problems were due on Monday morning. Answers were submitted over the web. Students were able to get 10 points per week extra credit in this way. 20-60% of the class were regular contributors. Answers were posted on the web page a few days after they were due.
• Physlet problems were used in some extra-credit problems and WebAssign textbook problems. The more interesting applets use Java 1.1 which requires Netscape 4.4 or Internet Explorer 4.0 or higher. The use of Physlets, developed by Wolfgang Christian, Davidson College, was limited by the slow introduction of java+javascript-capable browsers into school computer stations. In addition, many students who accessed the site using AOL used earlier versions of the AOL browser.
• The grade report program was written by Larry Martin, North Park College. For a demonstration, enter the student name "Test" and id number "1111".

For further information contact

Paul Zitzewitz	125 SB
Phone (313) 593-5277	e-mail: pwz@umich.edu

The Department of Natural Sciences server is administered by the physics discipline, purchased with an NSF ILI grant.