Descriptive Statistics Mean Std. Deviation N TradDrug_pre 10.1500 1.43655 20 TradDrug_post 8.9600 1.36127 20 NewDrug_pre 10.2700 1.24567 20 NewDrug_post 6.7350 .56221 20 Measure: MEASURE_1 Mauchly's Test of Sphericity" Epsilonb Within Subjects Effect Mauchly's W Approx. Chi- Square Greenhouse- df Sig. Geisser Huynh-Feldt Lower-bound Tradition_drug 1.000 .000 0 New_drug Tradition_drug *New_drug 1.000 1.000 .000 .000 0 0 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 Tests the null hypothesis that the error covariance matrix of the orthonormalized transformed dependent variables is proportional to an identity matrix. a. Design: Intercept Within Subjects Design: Tradition_drug + New_drug + Tradition_drug * New_drug b. May be used to adjust the degrees of freedom for the averaged tests of significance. Corrected tests are displayed in the Tests of Within-Subjects Effects table. Tests of Within-Subjects Effects Measure: MEASURE_1 Source Tradition_drug Type III Sum of Squares Partial Eta df Mean Square F Sig. Squared Noncent. Parameter Observed Powera Sphericity Assumed 22.155 1 22.155 60.854