PowerPoint Presentation - Group Analysis with AFNI

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GExplanation of 3dANOVA2 options:

å-type 3: Tells 3dANOVA2 what type of ANOVA model is to be used. Type 3 refers to a mixed effects model (a = fixed, b=random)

íType 1 = fixed effects model (a and b are fixed)

íType 2 = random effects model (a and b are random)

å-alevels 4: Our first IV ÒStimulus ConditionÓ has 4 levels -- TM,HM,TP,HP

å-blevels 3: Our second IV ÒSubjectsÓ has 3 levels -- ED, EE, EF

å-dset a b filename: Sets up all the factor level combinations

íFor example:

Subject (b)

1,1

1,2

1,3

Stim Cond (a)

2,1

2,2

2,3

3,1

3,2

3,3

4,1

4,2

4,3