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Thread: Help with curvilinear model

  1. 03-15-2010 08:37 AM #1
    tiredguy42
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    Help with curvilinear model



    Hi everyone, I'm having trouble figuring out how to check a model for curvilinearity in SPSS. The data involves cortisol (stress hormone) and fMRI data in response to faces. I suspect this will be a typical inverted U as cortisol frequently has that kind of effect. What is the best way to check this? Should I run a curve estimation? It's been a while since Stats class and I'm having trouble remembering how to do this.
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  2. 03-15-2010 08:48 AM #2
    longrob
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    Try this
    http://essedunet.nsd.uib.no/cms/topi...ssion/3/2.html
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