|
|
|
|
|
|
|
|
|
|
2 |
-0.20 |
0.18 |
-0.38*† |
-0.38 |
0.000 |
472 |
226 |
246 |
3 |
-0.11 |
0.15 |
-0.26*† |
-0.26 |
0.002 |
837 |
469 |
368 |
4 |
0.01 |
-0.01 |
0.03 |
0.03 |
0.617 |
1,545 |
805 |
740 |
5 |
-0.02 |
0.02 |
-0.04 |
-0.04 |
0.549 |
1,510 |
699 |
811 |
6 |
-- |
-- |
-- |
-- |
|
48 |
24 |
24 |
All Grades |
-0.03 |
0.03 |
-0.05 |
-0.05 |
0.184 |
4,412 |
2,223 |
2,189 |
Source: MPR analysis of data from 2004-2005 and 2005-2006 provided by participating school districts; MPR Teacher Background Survey administered in 2005-2006 to all study teachers. |
Notes: Data are regression-adjusted using a least squares model to account for baseline characteristics and clustering of students within schools. |
-- Impacts cannot be estimated due to treatment status being confounded with covariates. |
*Significantly different from zero at the 0.05 level, two-tailed test. |
†Significantly different from zero at the 0.05 level, two-tailed test, after applying a Benjamini-Hochberg correction. |