I'm using multilevel modeling in a situation where I must center a level 1 binary predictor (coded 0/1), following recommendations made here:


How should I interpret my coefficients for this variable? It is impossible to have a 1 unit increase above the centered mean, so I think traditional interpretation of binary variables are off the table. Is this right, and if so, how can I increase the interpretability of this coefficient?

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    $\begingroup$ Help!! Anybody! $\endgroup$ – user2917781 Nov 8 '16 at 3:11

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