Hi,
I'm analyzing a decision making task with a 3x3 condition matrix: pairings of
low, medium, high levels of risk with low, medium, high levels of reward.
I've set up the following FSGD file to do a repeated measures/within-subject
ANOVA:
GroupDescriptorFile 1
Class hc001
Class hc002
Class hc003
Class hc004
Class hc005
Variables lRsk_lRwd lRsk_mRwd lRsk_hRwd mRsk_lRwd
mRsk_mRwd mRsk_hRwd hRsk_lRwd hRsk_mRwd hRsk_hRwd
Input hc001 hc001 1 1 1 1 1
1 1 1 1
Input hc002 hc002 1 1 1 1 1
1 1 1 1
Input hc003 hc003 1 1 1 1 1
1 1 1 1
Input hc004 hc004 1 1 1 1 1
1 1 1 1
Input hc005 hc005 1 1 1 1 1
1 1 1 1
I've also created the following contrast matrices:
Con1: Does difference between highRisk and LowRisk differ from 0?
0 0 0 0 0 -1 -1 -1 0 0 0 1 1 1
Con2: Does difference between highRisk and MedRisk differ from 0?
0 0 0 0 0 0 0 0 -1 -1 -1 1 1 1
Is this an appropriate way of setting up the ANOVA?
Thanks for your help,
Afsana
______________________________
Afsana Afzal
Clinical Research Coordinator
Massachusetts General Hospital
Division of Neurotherapeutics
Department of Psychiatry: Neurosciences
149 13th St, Room 2612
Charlestown, MA 02129
Phone: 617-643-5129
Fax: 617-726-4078
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