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Version 1.1 – Updated August 2021

Autism

Overview

  • Influence: Autism
  • Domain: Student
  • Sub-Domain: Physical influences
  • Potential to Accelerate Student Achievement: Likely to have positive impact
  • Influence Definition: Children with this developmental disorder have difficulties with social interaction and communication, and they often exhibit repetitive behavior. Educational researchers stress that autistic children are best served by educational environments that are highly organized and provide clear visual cues to help overcome difficulties in communication.

Evidence

  • Number of meta-analyses: 3
  • Number of studies: 76
  • Number of students: 1,487
  • Number of effects: 186
  • Effect size: 0.24

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
Journal of Autism Development Disorder Brown, Oram-Cardy, & Johnson Canada A meta-analysis of the reading comprehension skills of individuals on the autism spectrum 2013 Autism on reading comprehension 36 1,487 47 -0.74
Journal of Learning Disabilities Bender & Smith USA Classroom behavior of children and adolescents with learning disabilities: A meta-analysis 1990 Classroom behavior of disabled and learning disabilities 25 0 124 1.10
Autism Tiede & Waton USA Meta-analysis of naturalistic developmental behavioral interventions for young children with autism spectrum disorder 2019 Naturalistic behavioral intention programs 15 0 15 0.35
TOTAL/AVERAGE 76 1,487 186 0.24

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 2 3 1 2 2
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