Therefore the outliers of each of the dependent variables (posttest measures) and the covariates (pretest measures) were recoded to fall within 3 SD of the mean, a procedure known as winsorizing the data (Garson, 2009).
Therefore the outliers of each of the dependent variables (posttest measures) and the covariates (pretest measures) were recoded to fall within 3 SD of the mean, a procedure known as winsorizing the data (Garson, 2009).