The thread uses Proc Mixed and I simply do not understand it. Why is this not part of t-test or GLM? PROC GLM has an effectsize option, but it doesn't report Cohen's d. I have a dataset with two independent groups. I want an easy way to do this calculation. Cohen's d = (M2 - M1) ⁄ SDpooled SDpooled = √((SD12 + SD22) ⁄ 2) Can this be done as part of a t-test, means, or GLM PROC? Here's my means statement which gets me all of the calculations I need to do the procedure by hand. I am fine having to run it separately for each dependent variable: PROC MEANS DATA=surveydata(where=(Scenario="S1" AND SpeakerGender="F")) ; CLASS SResponse; Var Comp OriginalSocial Abrasive GetRequest; RUN;

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