Table 2.

Effects of Confounding Variables on the Black Test Score Gap

Model:	(1a)		(1b)	(2)		(3)
	Coef.	(s.e.)	Pct.	Coef.	(s.e.)	Coef.	(s.e.)
Controls included:
Parental ed.	.053***	(.017)	30.8	.077***	(.019)
SES	.075***	(.020)	43.6	.036***	(.013)
Parent marriage	−.009	(.017)	5.2	.006	(.012)
Urbanicity	−.023	(.017)	13.4	−.015*	(.009)
English fluency	.037***	(.013)	21.5	−.022	(.016)
Prior achieve.	.048***	(.013)	27.9	.067***	(.014)
School chars.	.021	(.013)	12.2	.001	(.009)
Teacher chars.	−.009*	(.005)	5.2	.010	(.007)
Exam types:
Composite (omitted)
Math	−.002	(.010)		.003	(.011)
Reading/English	−.001	(.010)		.004	(.014)
Science	−.006	(.006)		−.001	(.007)
Social science	.046*	(.026)		.057**	(.027)
Other	−.003	(.015)		.004	(.012)
Year	.004	(.005)		.002	(.004)	.002	(.004)
Year2	−.0001	(.0002)		−.0003*	(.0002)	−.0001	(.0001)
Year3	−1.48 × 10−7	(2.37 x105)		−2.94 × 10−6	(4.65×10−5)	5.68 × 10−6	(1.92 × 10−5)
Age						−.003	(.002)
Age2						−.0004	(.0005)
Comparison= White	−.053**	(.024)		.046	(.036)	−.023	(.022)
Nat. Rep. Exam	.012	(.019)				.025	(.023)
Constant	.088***	(.017)		.067***	(.013)	.071***	(.017)
n	1,157			657		1,157

^*/**/***indicates statistical significance at the 10%/5%/1% level.