Hi Alfonso,
How can we change the regressors (e.g. age, IQ) to not be computed at the zero-level and instead center the variables so that they represent the average age or IQ in the second-level analyses?
Thank you very much,
Best,
Véronique
How can we change the regressors (e.g. age, IQ) to not be computed at the zero-level and instead center the variables so that they represent the average age or IQ in the second-level analyses?
Thank you very much,
Best,
Véronique