The SAS System   10:01 Wednesday, April 8, 1998
                                                                              1

                        General Linear Models Procedure
                            Class Level Information

               Class    Levels    Values

               CITY          3    Atlanta Chicago San Francisco

               TEACHER       2    1 2


                    Number of observations in data set = 12



                                The SAS System   10:01 Wednesday, April 8, 1998
                                                                              2

                        General Linear Models Procedure

Dependent Variable: LEARNING
                                     Sum of            Mean
Source                  DF          Squares          Square  F Value    Pr > F

Model                    5     724.00000000    144.80000000    20.69    0.0010

Error                    6      42.00000000      7.00000000

Corrected Total         11     766.00000000

                  R-Square             C.V.        Root MSE      LEARNING Mean

                  0.945170         17.63834       2.6457513          15.000000


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

CITY                     2     156.50000000     78.25000000    11.18    0.0095
TEACHER(CITY)            3     567.50000000    189.16666667    27.02    0.0007

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

CITY                     2     156.50000000     78.25000000    11.18    0.0095
TEACHER(CITY)            3     567.50000000    189.16666667    27.02    0.0007




                                The SAS System   10:01 Wednesday, April 8, 1998
                                                                              3

                        General Linear Models Procedure

               Level of            -----------LEARNING----------
               CITY            N       Mean              SD

               Atlanta         4     19.7500000       8.61684397
               Chicago         4     14.2500000       7.13559154
               San Francisco   4     11.0000000       8.83176087

         Level of   Level of            -----------LEARNING----------
         TEACHER    CITY            N       Mean              SD

         1          Atlanta         2     27.0000000       2.82842712
         2          Atlanta         2     12.5000000       2.12132034
         1          Chicago         2      8.5000000       3.53553391
         2          Chicago         2     20.0000000       2.82842712
         1          San Francisco   2     18.5000000       2.12132034
         2          San Francisco   2      3.5000000       2.12132034