实验组

对照组

Number

0.185768^***

(3.264184)

Fee

0.391534^**

(2.348551)

0.317462^***

(5.815525)

Household

−0.433424^***

(−3.111999)

−0.292938^***

(−5.117842)

Pr

−0.217296^**

(−2.048135)

School

0.276140^***

(4.925014)

R²

0.290651

0.307953

AdjustedR²

0.241162

0.296273