How to conduct moderation model in a mixed design?

More Yael Omer's questions See All

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Li Luo

(1)make dummy codes of the within independent variable(A1, A2);

(2) normalize the continuous variable(M);

(3) caculate A1*M; A2*M — set 2 new variables

(4) regression analysis: step1: A1, A2, M; step 2: A1*M, A2*M

You can note the significance of the interaction of A1*M, A2*M.

Yael Omer

Thank you for your answer!

when you say normalize, do you mean standardized, or transform the scores into a normal distribution?