I want to study the hypothesis that higher levels of all 3 IV would lead to higher levels of the 2 DV.
I also want to compare both levels of the 3 IV and 2 DV between multiple ethnic groups.
Is a three-way ANOVA all I need?
For comparing both levels of IV of different ethnic groups then a Wilcoxon Signed rank test or better still normalize the data structure and apply a Paired- Samples t-Test.
In the caption you said 2DVs, in the detailed info you said DV . In case of 1 DV Well, a three-way ANOVAwill be needed , to see the contribution of each and combination effect of the three.Which ever way, you can regress all the three IVs on each DV or use simple correlation.
In case of 2DVs, then use each IV on the two DVs and work with MANOVA.
No this a multivariate analysis. But the properties of your DVs specify which one exactly. Best wishes, David Booth
Ps google which regression model should I use and look at the different methods by DV This should help you. Best wishes, David Booth
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