14:07 Sunday, January 29, 1995 Analysis of Variance Procedure Class Level Information Class Levels Values TASK 6 1 2 3 4 5 6 Number of observations in data set = 68 14:07 Sunday, January 29, 1995 Analysis of Variance Procedure Dependent Variable: RATE Sum of Mean Source DF Squares Square F Value Pr > F Model 5 694.43859866 138.88771973 4.49 0.0015 Error 62 1916.07610723 30.90445334 Corrected Total 67 2610.51470588 R-Square C.V. Root MSE RATE Mean 0.266016 17.20638 5.5591774 32.308824 Source DF Anova SS Mean Square F Value Pr > F TASK 5 694.43859866 138.88771973 4.49 0.0015 14:07 Sunday, January 29, 1995 Analysis of Variance Procedure Level of -------------RATE------------ TASK N Mean SD 1 13 31.9230769 4.95751178 2 12 31.0833333 5.66421516 3 10 35.8000000 5.30827446 4 10 38.0000000 6.59966329 5 12 29.5000000 6.00757098 6 11 28.8181818 4.75011962 14:07 Sunday, January 29, 1995 Analysis of Variance Procedure T tests (LSD) for variable: RATE NOTE: This test controls the type I comparisonwise error rate not the experimentwise error rate. Alpha= 0.05 Confidence= 0.95 df= 62 MSE= 30.90445 Critical Value of T= 1.99897 Comparisons significant at the 0.05 level are indicated by '***'. Lower Difference Upper TASK Confidence Between Confidence Comparison Limit Means Limit 4 - 3 -2.770 2.200 7.170 4 - 1 1.403 6.077 10.751 *** 4 - 2 2.159 6.917 11.675 *** 4 - 5 3.742 8.500 13.258 *** 4 - 6 4.326 9.182 14.037 *** 3 - 4 -7.170 -2.200 2.770 3 - 1 -0.797 3.877 8.551 3 - 2 -0.041 4.717 9.475 3 - 5 1.542 6.300 11.058 *** 3 - 6 2.126 6.982 11.837 *** 1 - 4 -10.751 -6.077 -1.403 *** 1 - 3 -8.551 -3.877 0.797 1 - 2 -3.609 0.840 5.288 1 - 5 -2.026 2.423 6.872 1 - 6 -1.448 3.105 7.657 2 - 4 -11.675 -6.917 -2.159 *** 2 - 3 -9.475 -4.717 0.041 2 - 1 -5.288 -0.840 3.609 2 - 5 -2.953 1.583 6.120 2 - 6 -2.374 2.265 6.904 5 - 4 -13.258 -8.500 -3.742 *** 5 - 3 -11.058 -6.300 -1.542 *** 5 - 1 -6.872 -2.423 2.026 5 - 2 -6.120 -1.583 2.953 5 - 6 -3.957 0.682 5.320 14:07 Sunday, January 29, 1995 Analysis of Variance Procedure Lower Difference Upper TASK Confidence Between Confidence Comparison Limit Means Limit 6 - 4 -14.037 -9.182 -4.326 *** 6 - 3 -11.837 -6.982 -2.126 *** 6 - 1 -7.657 -3.105 1.448 6 - 2 -6.904 -2.265 2.374 6 - 5 -5.320 -0.682 3.957 14:07 Sunday, January 29, 1995 Analysis of Variance Procedure T tests (LSD) for variable: RATE NOTE: This test controls the type I comparisonwise error rate not the experimentwise error rate. Alpha= 0.05 df= 62 MSE= 30.90445 Critical Value of T= 2.00 Least Significant Difference= 4.6906 WARNING: Cell sizes are not equal. Harmonic Mean of cell sizes= 11.22547 Means with the same letter are not significantly different. T Grouping Mean N TASK A 38.000 10 4 B A 35.800 10 3 B C 31.923 13 1 C 31.083 12 2 C 29.500 12 5 C 28.818 11 6 14:07 Sunday, January 29, 1995 General Linear Models Procedure Class Level Information Class Levels Values TASK 6 1 2 3 4 5 6 Number of observations in data set = 68 14:07 Sunday, January 29, 1995 General Linear Models Procedure Dependent Variable: RATE Sum of Mean Source DF Squares Square F Value Pr > F Model 5 694.43859866 138.88771973 4.49 0.0015 Error 62 1916.07610723 30.90445334 Corrected Total 67 2610.51470588 R-Square C.V. Root MSE RATE Mean 0.266016 17.20638 5.5591774 32.308824 Source DF Type I SS Mean Square F Value Pr > F TASK 5 694.43859866 138.88771973 4.49 0.0015 Source DF Type III SS Mean Square F Value Pr > F TASK 5 694.43859866 138.88771973 4.49 0.0015 14:07 Sunday, January 29, 1995 General Linear Models Procedure Least Squares Means TASK RATE Std Err Pr > |T| LSMEAN LSMEAN LSMEAN H0:LSMEAN=0 Number 1 31.9230769 1.5418384 0.0001 1 2 31.0833333 1.6047963 0.0001 2 3 35.8000000 1.7579662 0.0001 3 4 38.0000000 1.7579662 0.0001 4 5 29.5000000 1.6047963 0.0001 5 6 28.8181818 1.6761551 0.0001 6 Pr > |T| H0: LSMEAN(i)=LSMEAN(j) i/j 1 2 3 4 5 6 1 . 0.7072 0.1024 0.0117 0.2805 0.1777 2 0.7072 . 0.0520 0.0051 0.4880 0.3328 3 0.1024 0.0520 . 0.3796 0.0103 0.0055 4 0.0117 0.0051 0.3796 . 0.0007 0.0004 5 0.2805 0.4880 0.0103 0.0007 . 0.7699 6 0.1777 0.3328 0.0055 0.0004 0.7699 . NOTE: To ensure overall protection level, only probabilities associated with pre-planned comparisons should be used. 14:07 Sunday, January 29, 1995 Plot of RATE*PRATE. Legend: A = 1 obs, B = 2 obs, etc. Plot of PRATE*PRATE. Symbol used is '*'. RATE | 50 + | | | | A | 45 + A | B A | A | | | A A 40 + B A | B | A * | | A A A | A * 35 + A A A | A B A B C | | | A B * | A A A A A * 30 + A A A A | A B * * | C B A A A | | C | B B A 25 + A B | A | | | | A A 20 + A --+-------------+-------------+-------------+-------------+-------------+- 28 30 32 34 36 38 PRATE NOTE: 62 obs hidden. 14:07 Sunday, January 29, 1995 Plot of ABSDEV*PRATE. Legend: A = 1 obs, B = 2 obs, etc. ABSDEV | 12 + | A | | | | 10 + A | A | | B A | A | A B 8 + | A | | A B B | | A 6 + C B A | A A | A A | D A | B A | 4 + A A C | A B B | | A | B | 2 + B B A | C B | | A A | C A | A A 0 + A A | -+-------------+-------------+-------------+-------------+-------------+ 28 30 32 34 36 38 PRATE