Table 1.

Individual-Level Descriptive Statistics

	Treatment (N=484)		Follow-Through (N=495)		Control (N=396)
	Mean	SD	Mean	SD	Mean	SD	F-test (p-value)
Average Proportion of Assessment Questions Answered Correctly
Beginning of preK (pretest)	.0884	.0654	.0896	.0768	.0947	.0665	0.3570
End of preK (posttest)	.2449	.1066	.2479	.1053	.2107	.1056	0.0000
End of K (follow-up)	.4108	.1255	.4152	.1311	.3967	.1266	0.1114
Demographic Variables
Limited English Proficiency	0.12	0.33	0.14	0.34	0.22	0.41	0.5128
Free/Reduced Lunch (School Level)	0.82	0.38	0.82	0.38	0.88	0.32	0.3731
Special Education	0.17	0.38	0.17	0.38	0.16	0.37	0.8743
Age in Pre-K (Fall)	4.33	0.35	4.31	0.35	4.39	0.35	0.3820
Ethnicity
Black	0.52		0.59		0.48		0.7671
Hispanic	0.20		0.19		0.27		0.7618
White	0.25		0.14		0.17		0.6213
Other	0.04		0.08		0.08		0.3069
Male	0.50		0.48		0.50		0.6607
Mother’s Education
No High School	0.13		0.12		0.14		0.8445
High School	0.29		0.3		0.29		0.9945
Some College	0.36		0.34		0.31		0.5782
College/Higher	0.14		0.18		0.19		0.5842

Note. We had to drop some observations due to some students missing information on their math assessment scores, but this represented only a small proportion of our sample.