Here is my code: proc mixed; class group; model MPH = group/ddfm = satterth; repeated/group = group; lsmeans group/adjust = tukey diff cl; The confidence intervals that were computed by SAS did not use Tukey critical values but used t critical values. The output indicates that the Adjustment is Tukey-Kramer so I wonder if there is a bug in the program or an error in my code.
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