Claims

Peer Tutoring and Response Groups has positive effects on English language development for English language learners, with an average improvement index of +17 percentile points

Claim · All claims
Evidence · 1 study (2 entries) · quant-synthesis r1 · q3 · i2 medium
Currency · newest study 2007 · checked against its sources 2026-10-15 (automated, 2 of 2 entries) · not reviewed by a person

Subclaims

Reading the evidence codes

q is the design tier, i the impact, n the sample, and the kind with its r the rigour judged within that kind: what each code means.

This claim: no standardized effect is recorded in observations/ for it yet, so no benchmark reading is possible.

q3 i? The WWC rated Peer Tutoring and Response Groups as having positive effects on English language development based on three randomized controlled trials. → What Works Clearinghouse 2007 q3 i2 The domain average improvement index is +17 percentile points, with a range of +1 to +48 across findings, and the domain average effect size is 0.56. → What Works Clearinghouse 2007 (2)

Evidence

What Works Clearinghouse 2007

What Works Clearinghouse, U.S. Department of Education. (2007). WWC Intervention Report: Peer Tutoring and Response Groups. https://ies.ed.gov/ncee/wwc

q3 · i? · quant-synthesis · r1

The WWC's effectiveness rating for the English language development domain, based on three studies meeting WWC evidence standards. The rating scheme requires statistically significant positive effects with no overriding contrary evidence; the report states the intervention received "the highest applicable rating."

"The WWC found Peer Tutoring and Response Groups to have positive effects on English language development"

What Works Clearinghouse 2007 (2)

What Works Clearinghouse, U.S. Department of Education. (2007). WWC Intervention Report: Peer Tutoring and Response Groups. https://ies.ed.gov/ncee/wwc

q3 · i2 · quant-synthesis · r1

WWC-computed improvement indices across the three studies' findings in the English language development domain. Appendix A3 reports a domain average effect size of 0.56 across all studies. The improvement index reflects percentile-rank differences favoring the intervention group.

"The average improvement index for the English language development domain is +17 percentile points across the three studies, with a range of +1 to +48 percentile points across findings."

Discussion

Learner Variables

Page metadata
Field Value
type claim
id peer-tutoring-response-groups-positive-eld-effects
title Peer Tutoring and Response Groups has positive effects on English language development for English language learners, with an average improvement index of +17 percentile points
description Peer Tutoring and Response Groups has positive effects on English language development for English language learners, with an average improvement index of +17 percentile points
status review
evidence_strength moderate
newest_evidence 2007
source_checked 2026-10-15
generated by process:wiki-ingest on 2026-10-07
trust unverified — no one has confirmed this page's content
sources 2 — what-works-clearinghouse-2007, what-works-clearinghouse-2007-2

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