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Version 1.1 – Updated August 2021

# Peer tutoring on Tutor

## Overview

• Influence: Peer tutoring on Tutor
• Domain: Student Learning Strategies
• Sub-Domain: Student perspectives in learning
• Potential to Accelerate Student Achievement: Potential to accelerate
• Influence Definition: The effect of peer tutor on the student doing the tutoring

## Evidence

• Number of meta-analyses: 3
• Number of studies: 113
• Number of students: 0
• Number of effects: 100
• Effect size: 0.48

## 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
Unpublished Thesis Hartley USA Meta-analysis of the effects of individually paced instruction in mathematics 1977 Effects on tutors in math 29 0 18 0.58
The Journal of Special Education Cook, Scruggs, Mastropieri & Casto USA Handicapped Students as Tutors 1985 Handicapped as tutors 19 0 49 0.53
American Educational Research Journal Cohen, Kulik, & Kulik USA Educational Outcomes of Tutoring: A Meta-analysis of Findings 1982 Effects on tutors 65 0 33 0.33
TOTAL/AVERAGE 113 0 100 0.48

## 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 1 2