RPD -- Example 9.4 -- Listening-Reading Skills Test X1 1 0 0 89 0 0 1 0 0 82 0 0 1 0 0 88 0 0 1 0 0 94 0 0 0 1 0 0 89 0 0 1 0 0 90 0 0 1 0 0 91 0 0 1 0 0 92 0 0 0 1 0 0 89 0 0 1 0 0 99 0 0 1 0 0 84 0 0 1 0 0 87 SSRES1 86.084162 X2 1 0 0 89 1 0 0 82 1 0 0 88 1 0 0 94 0 1 0 89 0 1 0 90 0 1 0 91 0 1 0 92 0 0 1 89 0 0 1 99 0 0 1 84 0 0 1 87 SSRES2 164.27751 F0 PVALF0 2.725008 0.1438916 RPD -- Example 9.4 -- Listening-Reading Skills Test X3 1 89 1 82 1 88 1 94 1 89 1 90 1 91 1 92 1 89 1 99 1 84 1 87 SSRES3 269.94884 F0 PVALF0 2.5729957 0.1371471 F0 PVALF0 3.2038067 0.0986902 RPD -- Example 9.4 -- Listening-Reading Skills Test The GLM Procedure Class Level Information Class Levels Values trt 3 1 2 3 Number of Observations Read 12 Number of Observations Used 12 RPD -- Example 9.4 -- Listening-Reading Skills Test The GLM Procedure Dependent Variable: posttest Sum of Source DF Squares Mean Square F Value Pr > F Model 5 202.9158381 40.5831676 2.83 0.1189 Error 6 86.0841619 14.3473603 Corrected Total 11 289.0000000 R-Square Coeff Var Root MSE posttest Mean 0.702131 4.051113 3.787791 93.50000 Source DF Type I SS Mean Square F Value Pr > F trt 2 111.5000000 55.7500000 3.89 0.0827 pretest 1 13.2224939 13.2224939 0.92 0.3741 pretest*trt 2 78.1933442 39.0966721 2.73 0.1439 Source DF Type III SS Mean Square F Value Pr > F trt 2 85.73643323 42.86821661 2.99 0.1258 pretest 1 59.16916993 59.16916993 4.12 0.0886 pretest*trt 2 78.19334417 39.09667209 2.73 0.1439 Contrast DF Contrast SS Mean Square F Value equal slopes? 2 78.1933442 39.0966721 2.73 equal slopes and intercepts? 4 183.8646753 45.9661688 3.20 Contrast Pr > F equal slopes? 0.1439 equal slopes and intercepts? 0.0987 RPD -- Example 9.4 -- Listening-Reading Skills Test The GLM Procedure Class Level Information Class Levels Values trt 3 1 2 3 Number of Observations Read 12 Number of Observations Used 12 RPD -- Example 9.4 -- Listening-Reading Skills Test The GLM Procedure Dependent Variable: posttest Sum of Source DF Squares Mean Square F Value Pr > F Model 3 124.7224939 41.5741646 2.02 0.1891 Error 8 164.2775061 20.5346883 Corrected Total 11 289.0000000 R-Square Coeff Var Root MSE posttest Mean 0.431566 4.846547 4.531522 93.50000 Source DF Type I SS Mean Square F Value Pr > F trt 2 111.5000000 55.7500000 2.71 0.1259 pretest 1 13.2224939 13.2224939 0.64 0.4455 Source DF Type III SS Mean Square F Value Pr > F trt 2 105.6713311 52.8356655 2.57 0.1371 pretest 1 13.2224939 13.2224939 0.64 0.4455 Contrast DF Contrast SS Mean Square equal intercepts (given equal slopes)? 2 105.6713311 52.8356655 Contrast F Value Pr > F equal intercepts (given equal slopes)? 2.57 0.1371