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Version 1.1 – Updated August 2021

Early intervention types

Overview

  • Influence: Early intervention types
  • Domain: School
  • Sub-Domain: Pre-school interventions
  • Potential to Accelerate Student Achievement: Likely to have positive impact
  • Influence Definition: These programs include parent education programs, early interventions in the home with families, and family based literacy programs.

Evidence

  • Number of meta-analyses: 8
  • Number of studies: 331
  • Number of students: 34,980
  • Number of effects: 1,250
  • Effect size: 0.29

Meta-Analyses

Meta-Analyses
Journal Title Author First Author's Country Article Name Year Published Variable Number of Studies Number of Students Number of Effects Effect Size
Conference Paper Applegate USA A Meta-Analysis of the Effects of Day Care on Development: Preliminary Findings 1986 Day care 13 0 114 0.42
School Psychology International Lewis & Vosburgh USA Effectiveness of kindergarten intervention programs: a meta-analysis 1988 Kindergarten based 65 3,194 444 0.43
Reading Improvement Fusaro USA The Effect of Full-Day Kindergarten on Student Achievement: A Meta-Analysis 1997 Full vs. half day kindergarten 23 0 23 0.18
The Changing Family and Child Development Violato & Russell Canada Effects of nonmaternal care on child development: A meta-analysis of published research 2000 Home care vs full time day care 40 23,986 40 0.14
Unpublished thesis Jones USA The effect of all-day kindergarten on student cognitive growth: a meta-analysis 2002 All day Kindergarten 22 0 22 0.56
Book Timmerman USA Family Care Versus Day Care: Effects on Children 2006 Family vs. Day care 47 7,800 47 0.10
Review of Educational Research Cooper, Allen, Patall & Dent USA Effects of Full-Day Kindergarten on Academic Achievement and Social Development 2010 Full day kindergarten 40 0 254 0.24
The Teachers College Record Camilli, Vargas, Ryan, & Barnett USA Meta-analysis of the effects of early education interventions on cognitive and social development 2010 Kindergarten vs. Not kindergarten on school achievement 81 0 306 0.23
TOTAL/AVERAGE 331 34,980 1,250 0.29

Confidence

The Confidence is the average of these four measures, each divided into five approximately equal groups and assigned a value from 1 to 5 based on the following criteria:

  • Number of Meta-analyses
    • 1 = 1
    • 2 = 2–3
    • 3 = 4–6
    • 4 = 7–9
    • 5 = 10+
  • Number of Studies
    • 1 = 1–10
    • 2 = 11–50
    • 3 = 51–200
    • 4 = 201–400
    • 5 = 400+
  • Number of Students
    • 1 = 1–2,500
    • 2 = 2,501–10,000
    • 3 = 10,000–20,000
    • 4 = 20,000–100,000
    • 5 = 100,001+
  • Number of Effects
    • 1 = 1–100
    • 2 = 101–300
    • 3 = 301–600
    • 4 = 601–1,200
    • 5 = 1,200+
Confidences
Number of Meta-Analyses Number of Studies Number of Students Number of Effects Overall Confidence
Confidence Factor 4 4 4 5 4
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