This email list is about R, not introductory statistics. But the answer to your question is: reject the 4 df hypothesis that the population means of the 5 groups are all equal. Retain each single df hypothesis about pairwise population mean differences.
-Ista On Mon, Dec 28, 2009 at 6:02 AM, Iasonas Lamprianou <lampria...@yahoo.com> wrote: > Dear friends, > > I have run an ANOVA using a linear variable as dependent and a nominal > variable with five groups as independent (factor). The F test is > statistically significant F(4, 431)=2.54, p=0.036.However, the multiple > comparisons have shown no difference between any two groups (no matter > whether I used sheffe, tukeys, lsd etc). What is the interpretation? > > Thanks > Jason > > > > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > -- Ista Zahn Graduate student University of Rochester Department of Clinical and Social Psychology http://yourpsyche.org ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.