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Dear users, I was wondering about the statistical procedure. I have two groups with a big problem between them, the mean age of one group is 31 and the other one is 50. (differences in age p<.05). In the two sample t-test I underwent age as covariate. It will be enough in order to control the age? or anyway, I'll have a hard with the reviewer??? Thank you so much! Best, Richie!