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  1. E

    centering in Mplus

    Dear all, I try to center my variables before conducting mediation analyses using the following code under DEFINE: CENTER BDIBAS (GRANDMEAN); CENTER BDIm6 (GRANDMEAN); When I check the results, the mean of the first variable BDIbas has become zero (instead of 34), but the mean of BDIm6 is .45...