Claims

PALS shows strong evidence of positive effects on first-grade literacy, with an average effect size of +0.23 across three studies

Claim · All claims
Evidence · 1 study · quant-synthesis r? · q3 · i1 small
Currency · newest study 2001 · checked against its sources 2026-10-20 (automated, 1 of 1 entry) · not reviewed by a person
Evidence quality · No study behind this claim is a peer-reviewed article with a DOI: it rests on a source with no registered publication record (a web page, book or unpublished report). It is kept because a design page cites it; treat it as a lead to check, not an established finding.

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 i1 Three qualifying studies of PALS in first grade, totaling 1,501 students, produced an average effect size of +0.23, qualifying PALS for the Strong category. → Peer-Assisted Learning Strategies (PALS) 2001

Evidence

Peer-Assisted Learning Strategies (PALS) 2001

Peer-Assisted Learning Strategies (PALS). (2001). Evidence Rating: strong. https://www.evidenceforessuccess.org

q3 · i1 · quant-synthesis · r?

Evidence summary of three qualifying first-grade studies with 1,501 students and an "Average Effect Size +0.23". Two of the three studies "found significant positive effects on Woodcock scales which qualified PALS for the “Strong” category".

"Three qualifying studies have evaluated PALS in first grade. Two of the three found significant positive effects on Woodcock scales which qualified PALS for the “Strong” category"

Discussion

Page metadata
Field Value
type claim
id pals-strong-evidence-first-grade-literacy-es-023
title PALS shows strong evidence of positive effects on first-grade literacy, with an average effect size of +0.23 across three studies
description PALS shows strong evidence of positive effects on first-grade literacy, with an average effect size of +0.23 across three studies
status review
evidence_strength moderate
newest_evidence 2001
source_checked 2026-10-20
generated by process:wiki-ingest on 2026-10-08
trust unverified — no one has confirmed this page's content
sources 1 — peer-assisted-learning-strategies-pals-2001

Frontmatter is the page's machine-readable record — see the Schema & Guide.