Technology in the Aid of Delivering Economic Content to Teachers: Virtual Economics v. 3

Table 3

Difference-in-differences Results (with clustered standard errors).

Variable	Coefficient	Std. Err.	𝑡
VE3	0.0614	0.0368	1.67
GEOEOCT	0.4107	0.0093	44.00
ALGEOCT	0.1862	0.0065	28.50
Economic status	−0.104	0.0091	−11.42
Gender	0.1331	0.0062	21.51
Disability status	−0.1641	0.0190	−8.65
African American	−0.1278	0.0268	−4.77
Asian	−0.1965	0.0202	−9.75
Hispanic	−0.1634	0.0167	−9.79
Other	−0.0458	0.0230	−1.99
Treated_teachers	0.0554	0.0391	−1.99
Year_dummy	0.0016	0.0155	0.10
Constant	−0.0259	0.0170	−1.52

Number of obs =67522.
𝐹(12, 1452) =834.57.
Prob >𝐹=0.0000.
𝑅-squared =0.4711.