            |            Group 1             |       Group 2       
            |   (1)    |   (2)    |   (3)    |   (1)    |   (2)    
-------------------------------------------------------------------
(Intercept) |  19.978* |   15.809 |   14.167 |   11.834 |   11.011 
            | (11.688) | (11.084) | (11.519) |  (8.535) | (11.704) 
     Raises | 0.691*** |   0.379* |    0.352 |   -0.026 |   -0.033 
            |  (0.179) |  (0.217) |  (0.224) |  (0.184) |  (0.202) 
   Learning |          |  0.432** |   0.394* |    0.246 |    0.249 
            |          |  (0.193) |  (0.204) |  (0.154) |  (0.160) 
 Privileges |          |          |    0.105 |   -0.103 |   -0.104 
            |          |          |  (0.168) |  (0.132) |  (0.135) 
 Complaints |          |          |          | 0.691*** | 0.692*** 
            |          |          |          |  (0.146) |  (0.149) 
   Critical |          |          |          |          |    0.015 
            |          |          |          |          |  (0.147) 
-------------------------------------------------------------------
          N |       30 |       30 |       30 |       30 |       30 
      $R^2$ |    0.348 |    0.451 |    0.459 |    0.715 |    0.715 
