help with comparing regression coefficients

Posted by Dominic Lusinchi on Nov 02, 2016; 8:53pm
URL: http://spssx-discussion.165.s1.nabble.com/help-with-comparing-regression-coefficients-tp5733418.html

Greetings fellow SPSS users,

 

I checked the archives but couldn’t find anything that fitted this case, as I could tell. I also searched the web but could not find anything – at least, that I could understand.

 

I am trying to find out if there is a test to compare two (ols) regression coefficients. Here’s the setup. Individuals have been randomized to group A and B. They have been measured on Y (the DV) and group A have been measure on xA and group B measured on xB. To be clear xA and xB are two different (independent) variables. I want to compare in a simple regression (Y=c + xA and Y=c + xB) the regression coefficient for xA and xB (bxA – bxB). Thus, I am dealing with two different models (the same DV but different IVs) AND two independent groups.

 

So my questions are: Is there a test for such a situation? If so, (2) can it be implemented in SPSS?

 

Thanks in advance for time and help – Dominic

 

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Dominic Lusinchi

Far West Research Consulting

Applied Statistics – Social Research – Sociology

San Francisco, California

[hidden email]

1-415-664-3032

Curriculum Vitæ

Blog: Sociological Improvisations

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