Quant analytics interaction terms: We need lower terms despite significance when higher order polynomial is? Tradeoffs?

Quant analytics interaction terms: We need lower terms despite significance when higher order polynomial is? Tradeoffs? For some of the respondent level models I am working on, we are trying to test for different interaction effects between media. I have been working on the premise of testing for significant first order effects, and testing for …

Quant analytics interaction terms: We need lower terms despite significance when higher order polynomial is? Tradeoffs? Read More ยป