The SAS System                               1
                                             11:02 Thursday, February 12, 2004

                             The Mixed Procedure

                              Model Information

            Data Set                     WORK.STOOL               
            Dependent Variable           effort                   
            Covariance Structure         Variance Components      
            Estimation Method            Type 3                   
            Residual Variance Method     Factor                   
            Fixed Effects SE Method      Model-Based              
            Degrees of Freedom Method    Satterthwaite            


                           Class Level Information
 
             Class      Levels    Values

             type            4    T1 T2 T3 T4                   
             subject         9    1 2 3 4 5 6 7 8 9             


                                 Dimensions

                     Covariance Parameters             2
                     Columns in X                      5
                     Columns in Z                      9
                     Subjects                          1
                     Max Obs Per Subject              36
                     Observations Used                36
                     Observations Not Used             0
                     Total Observations               36


                         Type 3 Analysis of Variance
 
                        Sum of
Source        DF       Squares   Mean Square  Expected Mean Square

type           3     81.194444     27.064815  Var(Residual) + Q(type)         
subject        8     66.500000      8.312500  Var(Residual) + 4 Var(subject)  
Residual      24     29.055556      1.210648  Var(Residual)                   

                         Type 3 Analysis of Variance
 
                                                   Error
 Source    Error Term                                 DF    F Value    Pr > F

 type      MS(Residual)                               24      22.36    <.0001
 subject   MS(Residual)                               24       6.87    0.0001
 Residual  .                                           .        .       .    


                                The SAS System                               2
                                             11:02 Thursday, February 12, 2004

                             The Mixed Procedure

                            Covariance Parameter
                                  Estimates
 
                            Cov Parm     Estimate

                            subject        1.7755
                            Residual       1.2106


                                Fit Statistics

                  Res Log Likelihood                   -60.6
                  Akaike's Information Criterion       -62.6
                  Schwarz's Bayesian Criterion         -62.8
                  -2 Res Log Likelihood                121.1


                        Type 3 Tests of Fixed Effects
 
                              Num     Den
                Effect         DF      DF    F Value    Pr > F

                type            3      24      22.36    <.0001


                             Least Squares Means
 
                                    Standard
  Effect    type        Estimate       Error      DF    t Value    Pr > |t|

  type      T1            8.5556      0.5760    15.5      14.85      <.0001
  type      T2           12.4444      0.5760    15.5      21.60      <.0001
  type      T3           10.7778      0.5760    15.5      18.71      <.0001
  type      T4            9.2222      0.5760    15.5      16.01      <.0001
                                The SAS System                               3

                              The GLM Procedure

                           Class Level Information
 
                  Class         Levels    Values

                  type               4    T1 T2 T3 T4       

                  subject            9    1 2 3 4 5 6 7 8 9 


                         Number of observations    36

                                The SAS System                               4
                              The GLM Procedure
 
Dependent Variable: effort   

                                      Sum of
Source                     DF        Squares    Mean Square   F Value   Pr > F

Model                      11    147.6944444     13.4267677     11.09   <.0001

Error                      24     29.0555556      1.2106481                   

Corrected Total            35    176.7500000                                  


             R-Square     Coeff Var      Root MSE    effort Mean

             0.835612      10.73458      1.100295       10.25000


Source                     DF      Type I SS    Mean Square   F Value   Pr > F

type                        3    81.19444444    27.06481481     22.36   <.0001
subject                     8    66.50000000     8.31250000      6.87   0.0001


Source                     DF    Type III SS    Mean Square   F Value   Pr > F

type                        3    81.19444444    27.06481481     22.36   <.0001
subject                     8    66.50000000     8.31250000      6.87   0.0001

                                The SAS System                               5
                              The GLM Procedure
                             Least Squares Means

                             effort        Standard
               type          LSMEAN           Error    Pr > |t|

               T1         8.5555556       0.3667649      <.0001
               T2        12.4444444       0.3667649      <.0001
               T3        10.7777778       0.3667649      <.0001
               T4         9.2222222       0.3667649      <.0001