Additive versus Multiplicative Interaction We tested additive in the LPM (OLS) but will do again here in GLM Analysis Of Maximum Likelihood Parameter Estimates Parameter DFEstimateStandard Error Wald 95% Confidence Limits Wald Chi- Square Pr > ChiSq Intercept 10.26860.02930.21120.326084.13<.0001 UNMARa YES 10.04370.00650.03090.056644.66<.0001 UNMARb NO 00.0000..
{}