Table 3.

Characteristics of all gifted third-grade students and those identified through screening

Student characteristic	Full sample				Plan B eligible only
	All gifted		Compliers (newly identified)	Difference, compliers− always takers	All gifted		Compliers (newly identified)	Difference, compliers− always takers
	2004–2005 (Pre)	2006–2007 (Post)			2004–2005 (Pre)	2006–2007 (Post)
Plan B eligible	0.21	0.38	0.79	0.59 (0.16)**	–	–	–	–
Female	0.45	0.47	0.56	0.11 (0.13)	0.44	0.47	0.52	0.08 (0.08)
White (non-Hispanic)	0.61	0.43	0.08	−0.53 (0.15)**	0.28	0.18	0.09	−0.19 (0.08)*
Black (non-Hispanic)	0.12	0.17	0.23	0.12 (0.10)	0.36	0.31	0.24	−0.12 (0.10)
Hispanic	0.16	0.27	0.46	0.30 (0.11) **	0.24	0.39	0.45	0.21 (0.09)*
Asian	0.08	0.08	0.14	0.06 (0.07)	0.08	0.08	0.18	0.10 (0.05)
FRL	0.20	0.35	0.67	0.47 (0.13)**	0.95	0.93	0.84	−0.11 (0.05)*
ELL	0.02	0.05	0.18	0.16 (0.06)**	0.10	0.14	0.23	0.13 (0.06)*
Parents speak English	0.74	0.62	0.29	−0.45 (0.14)**	0.57	0.47	0.30	−0.27 (0.10)**
School fraction FRL	0.28	0.34	0.47	0.17 (0.08)*	0.55	0.51	0.48	−0.07 (0.05)
School fraction minority	0.45	0.54	0.70	0.25 (0.08)**	0.65	0.67	0.66	0.01 (0.04)
Achievement*	1.39	1.22	0.97	−0.42 (0.16)*	1.15	0.91	0.81	−0.35 (0.11)**
IQ score	131.6	129.6	124.3	−7.36 (2.71)**	124.2	124.4	124.5	0.38 (1.14)

For full sample, n = 78,065; for Plan B sample, n = 37,947. Parentheses contain SEs, clustered by school. (**P < 0.01; *P < 0.05.)

^*Achievement is the average of reading and math scores on statewide tests, standardized across third graders in the District to have mean 0 and SD 1.