Variable | Standardized cognitive scores (at preschool age) | ||
---|---|---|---|
(1) | (2) | (3) | |
Standardized cognitive scores (in infancy) | 0.15*** (0.03) | ||
Standardized cognitive scores (in toddlerhood) | 0.39*** (0.03) | ||
Changes in standardized cognitive scores from infancy to toddlerhood | 0.13*** (0.02) | ||
Controls | Yes | Yes | Yes |
County fixed effects | Yes | Yes | Yes |
Time fixed effects | Yes | Yes | Yes |
R-squared | 0.16 | 0.26 | 0.16 |