variables | WISC IQ score | WISC IQ score | Fluid intelligence | Fluid intelligence | Crystal intelligence | Crystal intelligence |
---|---|---|---|---|---|---|
 | OLS | IV | OLS | IV | OLS | IV |
 | (1) | (2) | (3) | (4) | (5) | (6) |
Boarding | 0.103 | 4.781 | -0.048 | 0.635 | 0.181 | 0.934 |
 | (1.040) | (3.592) | (0.179) | (0.573) | (0.266) | (0.925) |
Student-level control variables | YES | YES | YES | YES | YES | YES |
School-level control variables | YES | YES | YES | YES | YES | YES |
Teacher-level control variables | YES | YES | YES | YES | YES | YES |
Constant | 139.817*** | 139.866*** | 16.501*** | 16.527*** | 15.396*** | 15.365*** |
 | (8.633) | (8.702) | (1.408) | (1.387) | (2.309) | (2.240) |
Observations | 472 | 472 | 472 | 472 | 472 | 472 |
R-squared | 0.418 | 0.393 | 0.371 | 0.348 | 0.286 | 0.286 |
County fixed effects | YES | YES | YES | YES | YES | YES |
Phase I F-statistic values | Â | 41.284 | Â | 41.284 | Â | 41.284 |