Table F. Effect sizes for student-level measures: Kindergarten

Effects of Preschool Curriculum Programs on School Readiness: Report from the Preschool Curriculum Evaluation Research Initiative Executive Summary

NCER 2008-2009
July 2008

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Table F. Effect sizes for student-level measures: Kindergarten

	Curricula
Outcome/Measures	BB	CC (V)	CC (UNC)	CC with Ldrs	Curiosity Corner		DD	LB	ELLM		LFC	DLM with OC		LE		Pre-K Math		PA		PC	RSL

Reading
TERA	-0.07	0.10	-0.04	-0.54	0.43	*	-0.05	-0.13	0.30		0.05	0.76	**	-0.11		0.31		0.29		-0.03	0.01
WJ Letter Word Identification	0.09	0.38	0.00	-0.27	0.43	*	-0.09	-0.18	0.00		0.02	0.50	**	0.08		0.22		0.03		0.16	-0.12
WJ Spelling	0.06	0.25	-0.05	-0.08	0.20		-0.12	-0.06	0.04		0.11	0.22		0.06		0.03		0.14		0.00	0.04

Phonological awareness
CTOPP	0.01	0.06	0.06	-0.10	0.25		-0.09	-0.13	0.08		0.03	0.38	*	0.08		-0.11		-0.17		-0.12	-0.02

Language
PPVT	0.07	0.12	0.15	-0.30	0.14		0.18	0.00	0.34	*	-0.09	0.48	**	0.16		0.11		0.10		0.10	-0.02
TOLD	0.16	0.11	-0.17	-0.06	0.15		0.06	-0.12	0.44	**	-0.07	0.46	**	0.10		0.08		0.32		0.01	-0.03

Mathematics
WJ Applied Problems	0.13	0.17	0.09	-0.33	0.26		-0.02	-0.13	0.26		0.11	0.48	***	-0.02		0.13		0.27		0.08	0.00
CMA-A Mathematics Composite	0.07	0.05	0.14	-0.19	-0.05		-0.16	-0.07	-0.05		0.00	0.13		-0.21		0.13		0.22		-0.06	-0.10
Shape Composite	0.15	0.00	-0.01	-0.10	0.32		-0.12	-0.06	0.03		0.06	0.09		-0.14		0.41	***	0.24		0.12	0.03

Behavior
SSRS Social Skills	0.03	0.35	-0.12	0.17	0.32		-0.05	0.24	0.27		-0.07	-0.18		-0.37		0.06		-0.44	*	0.12	-0.03
SSRS Problem Behavior	0.24	-0.05	0.08	0.02	-0.08		0.46	0.06	0.23		-0.05	0.01		0.22		-0.01		0.49	*	0.07	0.07
LBS	0.30	0.08	-0.20	-0.11	0.11		-0.32	-0.10	0.04		0.10	-0.13		-0.38	*	0.01		-0.42	*	-0.02	-0.01
* p < .05; p < .01; * p < .001
NOTE: Refer to the glossary for abbreviations of the measures. Abbreviations for the curricula are: BB: Bright Beginnings CC (V): Creative Curriculum (Vanderbilt University) CC (UNC): Creative Curriculum (University of North Carolina at Charlotte) CC with Ldrs: Creative Curriculum with Ladders to Literacy DD: Doors to Discovery LB: Let’s Begin with the Letter People ELLM: Early Literacy and Learning Model LFC: Language-Focused Curriculum DLM with OC: DLM Early Childhood Express supplemented with Open Court Reading Pre-K LE: Literacy Express Pre-K Math: Pre-K Mathematics supplemented with DLM Early Childhood Express Math software PA: Project Approach PC: Project Construct RSL: Ready, Set, Leap! SOURCE: The Preschool Curriculum Evaluation Research (PCER) Study.

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