Hi - there's various relevant examples in the FEAT manual - probably the closest one to your case is: http://www.fmrib.ox.ac.uk/fsl/feat5/detail.html#ANOVA1factor4levels Cheers. On 11 Nov 2011, at 11:21, Kamilla Miskowiak wrote: > I am about to perform the group level analysis in FEAT comparing 3 groups. I need to set up an F-test across these groups followed by post-hoc t-tests, but am unsure how to do this in FEAT. Can someone help? Many thanks! Kamilla > --------------------------------------------------------------------------- Stephen M. Smith, Professor of Biomedical Engineering Associate Director, Oxford University FMRIB Centre FMRIB, JR Hospital, Headington, Oxford OX3 9DU, UK +44 (0) 1865 222726 (fax 222717) [log in to unmask] http://www.fmrib.ox.ac.uk/~steve ---------------------------------------------------------------------------