

Betweengroup Interaction 

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Student 09 posted on Friday, March 30, 2012  6:08 am



Hello, I would like to model an interaction of two continuous betweengroup variables xm_1 and xm_2. Using the definecommand, I create a mulitplicative interaction term and insert it on the betweenlevel. However, both xm_1 and xm_2 are aggregate variables of variables x_1 and x_2 measured at the withinlevel. My question is whether I need to model the interaction of x_1 and x_2 on the withinlevel as well in order to get an appropriate parameter and S.E. for the betweengroup interaction my theoretical interest focuses on  what would you suggest? Many thanks for your answer! 


Putting this on between only is fine. 

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