Comparing Group Means: T-tests and One-way ANOVA
Spring 2008
For the latest revision, see the pdf format
- Introduction
- One Sample T-test
- Paired T-test: Dependent Samples
- Comparing Independent Samples with Equal Variances
- Comparing Independent Samples with Unequal Variances
- Comparison Using the One-way ANOVA, GLM, and Regression
- Comparing the Proportions of Binary Variables
- Conclusion
- Appendix
- References
This document summarizes the methods of comparing group means and illustrates how to conduct t-tests and one-way ANOVA using Stata 10, SAS 9.1, and SPSS 15.
The citation of this document should read: "Park, Hun Myoung. 2008. Comparing
Group Means: T-tests and One-way ANOVA Using Stata, SAS, and SPSS. Technical Working Paper. The University Information Technology
Services (UITS) Center for Statistical and Mathematical Computing, Indiana University."



