            |   (1)    |   (2)    |   (3)    
---------------------------------------------
(Intercept) |   19.978 |   15.809 |   14.167 
            | (11.688) | (11.084) | (11.519) 
     Raises |    0.691 |    0.379 |    0.352 
            |  (0.179) |  (0.217) |  (0.224) 
   Learning |          |    0.432 |    0.394 
            |          |  (0.193) |  (0.204) 
 Privileges |          |          |    0.105 
            |          |          |  (0.168) 
---------------------------------------------
          N |       30 |       30 |       30 
      $R^2$ |    0.348 |    0.451 |    0.459 
