You can use Sample Power from SPSS (a.k.a. Power and Preceision) or PASS
2000 from NCSS. For more info, please visit:
http://www.spss.com
http://www.ncss.com
http://seamonkey.ed.asu.edu/~alex/teaching/WBI/power_es.html
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--"Regression to the mean" is not always true. After 30, my weight never
regresses to the mean.
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Chong-ho (Alex) Yu, Ph.D., MCSE, CNE
Academic Research Professional/Manager
Educational Data Communication, Assessment, Research and Evaluation
Farmer 418
Arizona State University
Tempe AZ 85287-0611
Email: [EMAIL PROTECTED]
URL:http://seamonkey.ed.asu.edu/~alex/
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