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If this design has repeated-measures (e.g. each subject has more than one con_ image per subject) in the full-factorial; then the group model should be re-run as a flexible factorial to look at the within-subject effects. The main effect of group or any effect of group isn't valid when you have repeated-measures in the GLM. Also, it maybe just as quick/easy for you to setup the analysis yourself as it's only one model that you need to create. This would also help you learn the software and the analysis, rather than picking up in the middle of an old analysis stream. Best Regards, Donald McLaren ================= D.G. McLaren, Ph.D. Research Fellow, Department of Neurology, Massachusetts General Hospital and Harvard Medical School Postdoctoral Research Fellow, GRECC, Bedford VA Website: http://www.martinos.org/~mclaren Office: (773) 406-2464 ===================== This e-mail contains CONFIDENTIAL INFORMATION which may contain PROTECTED HEALTHCARE INFORMATION and may also be LEGALLY PRIVILEGED and which is intended only for the use of the individual or entity named above. If the reader of the e-mail is not the intended recipient or the employee or agent responsible for delivering it to the intended recipient, you are hereby notified that you are in possession of confidential and privileged information. Any unauthorized use, disclosure, copying or the taking of any action in reliance on the contents of this information is strictly prohibited and may be unlawful. If you have received this e-mail unintentionally, please immediately notify the sender via telephone at (773) 406-2464 or email. On Sun, Dec 22, 2013 at 2:49 AM, Emily Carlson <[log in to unmask]> wrote: > Hello, > > I've been trying to solve this situation for a while unsuccessfully. I'm > working with SPM for the first time as a Master's student. My supervisor, > who works at another University from my own, would like me to complete ROI > analysis in SPM/MarsBaR, and has sent me SPM.mat files, beta and con image > files, etc., containing a full factorial analysis from a 3x2 design. > > SPM.xY.P of course contains file paths to con images for computers at the > other university; how can I change these? Also, the paths in these > variables reflect single subject analysis, where as I should be doing 2nd > level analysis. > I hope this question makes sense, I'm obviously quite new at this. I very > much appreciate any help! > Thank you, > > Emily > > > -- > "Now and then we had a hope that if we lived and were good, God would > permit us to be pirates." > -Mark Twain" > > "I know the answer! The answer lies within the hearts of all mankind! > The answer is twelve? > I think I'm in the wrong building." > -- Charles Shulz >