Table 4 Summary of standard bias (in %) before and after matching.
From: Preschool education and non-cognitive skills: evidence from rural China’s junior high students
Preschool attendees vs. non-attendees | Sample | |
|---|---|---|
Unmatched | Matched | |
%Variance | 100 | 100 |
Mean bias | 15.4 | 1.2 |
B | 41.0* | 3.7 |
R | 0.89 | 0.96 |
Number of predictors in the models | 8 | 8 |
Number of predictors with an S.B. greater than 5 | 10 | 0 |
Number of predictors with an S.B. between 1.01 and 1.99 | 0 | 5 |
Number of predictors with an S.B. less than 1.0 | 0 | 3 |
Number of predictors with a p value less than 0.001 | 6 | 0 |
