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Twelve computer science graduate students, 11 of them having more than 5 years experience with a windowing system, participated in the experiments. Seven out of 12 of the subjects had experience with 3 or more windowing systems and 9 out of 12 use a windowing system for more than 20 hours weekly. Detailed background information on the subjects can be found in Appendix gif in Table gif.

Eser Kandogan
Sun Sep 13 18:34:46 EDT 1998

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