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

NCER 2008-2009
July 2008


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.