Table 2

Reduced Form Cognitive Achievement Regressions (Dependent Variable: Cognitive Skills)

 (1)(2)(3)(4)
Constant−1.200***
(0.094)		−1.006***
(0.094)		−1.006***
(0.094)		−1.004***
(0.094)
Lagged cognitive skills0.266***
(0.017)		0.254***
(0.016)		0.255***
(0.016)		0.254***
(0.016)
Quality index 0.190***
(0.019)		  
Home quality (HQ) index  0.189***
(0.020)		0.189***
(0.020)
Childcare quality (CCQ) index  0.195***
(0.047)		0.199***
(0.047)
HQ index × QCC index   −0.112
(0.111)
Other controls?aYesYesYesYes
Nb2,8002,8002,8002,800
R20.230.260.260.26
HQ index = CCQ indexc  0.900.84

  • ↵*** p < 0.01.

  • ↵a Other controls include indicators for black and Hispanic, mother’s education, and marital status.

  • ↵b Sample size rounded to nearest 50 per NCES requirements.

  • ↵c “HQ Index = CCQ Index” reports the p-value from a t-test that the coefficient on the home quality index equals the coefficient on the childcare quality index.