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| For a comprehensive description of this problem in SPM, see the [http://www.fil.ion.ucl.ac.uk/spm/doc/books/hbf2/pdfs/Ch12.pdf random effects chapter] of the [http://www.fil.ion.ucl.ac.uk/spm/doc/books/hbf2/ Human Brain Function book] - second edition. | For a comprehensive description of this problem in SPM, see the [[http://www.fil.ion.ucl.ac.uk/spm/doc/books/hbf2/pdfs/Ch12.pdf|random effects chapter]] of the [[http://www.fil.ion.ucl.ac.uk/spm/doc/books/hbf2/|Human Brain Function book]] - second edition. |
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| See also the [http://www.fil.ion.ucl.ac.uk/spm/doc/biblio/Keyword/RFX.html RFX section] of the FIL/SPM bibliography. | See also the [[http://www.fil.ion.ucl.ac.uk/spm/doc/biblio/Keyword/RFX.html|RFX section]] of the FIL/SPM bibliography. |
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| There is a nice [http://psyphz.psych.wisc.edu/~oakes/spm/spm_random_effects.html random effects discussion on the Wisconsin site] | There is a nice [[http://psyphz.psych.wisc.edu/~oakes/spm/spm_random_effects.html|random effects discussion on the Wisconsin site]] |
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| A useful set of [http://www.cu.mrc.ac.uk/~jaston/mrcjc/sld001.htm powerpoint slides on random effects], by John Aston, at the MRC Cyclotron Unit. | A useful set of [[http://www.cu.mrc.ac.uk/~jaston/mrcjc/sld001.htm|powerpoint slides on random effects]], by John Aston, at the MRC Cyclotron Unit. |
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| Jesper Andersson's nice talk on [http://www.fmrib.ox.ac.uk/fslcourse/lectures/feat3/MixedEffects.ppt Mixed effects models] and variance components. | Jesper Andersson's nice talk on [[http://www.fmrib.ox.ac.uk/fslcourse/lectures/feat3/MixedEffects.ppt|Mixed effects models]] and variance components. |
Principles of random effect analyses
These analyses are also called second level analyses, and concentrate on the variation of activation between subjects in deciding the significance levels for SPMs.
For a comprehensive description of this problem in SPM, see the random effects chapter of the Human Brain Function book - second edition.
See also the RFX section of the FIL/SPM bibliography.
There is a nice random effects discussion on the Wisconsin site
A useful set of powerpoint slides on random effects, by John Aston, at the MRC Cyclotron Unit.
Jesper Andersson's nice talk on Mixed effects models and variance components.