It Chapter 8 - Complex Experimental Designs Factorial Designs Factorial Design Variations from Bill Trochim's excellent methods site at Cornell. An unusual research investigation. Note the interaction in the experiment on smoking and alcohol. Use the AltaVista search engine to find additional information on related topics. A free, full-length, and occasionally interactive statistics textbook on the web.
Lecture notes on correlations.
On-Line Software for Classif. Social Science Data on the Internet. Rate It Department of Statistics at Carnegie Mellon - Links to many statistics sites. Based on the Dartmuth Chance courses by Laurie Snell. Syllabus, calendar, lecture notes, assignments, and links to related materials.