Claims

In the Nelson, Stage, Epstein, & Pierce (2005) RCT, SSL produced statistically significant positive effects on all four alphabetics outcomes

Claim · All claims
Evidence · 1 study · causal r? · q3 · i2 medium
Currency · newest study 2007 · not yet checked against its sources · 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 i2 SSL students outperformed comparison students on CTOPP Phonological Awareness, DIBELS Letter Naming Fluency, and WRMT-R Word Identification and Word Attack, all statistically significant. → What Works Clearinghouse 2007

Evidence

What Works Clearinghouse 2007

What Works Clearinghouse. (2007). WWC Intervention Report: Stepping Stones to Literacy. U.S. Department of Education. https://www.steppingstonestoliteracy.com

q3 · i2 · causal · r?

Randomized controlled trial of 84 kindergarten students with behavior problems from 27 classrooms in ten Midwestern schools; analysis sample of 63. Appendix A3 reports effect sizes from 0.50 (CTOPP) to 1.08 (Letter Naming Fluency), all statistically significant.

"The authors found and the WWC confirmed statistically significant positive effects of SSL on all outcomes"

Discussion

Page metadata
Field Value
type claim
id ssl-nelson-stage-2005-significant-outcomes
title In the Nelson, Stage, Epstein, & Pierce (2005) RCT, SSL produced statistically significant positive effects on all four alphabetics outcomes
description In the Nelson, Stage, Epstein, & Pierce (2005) RCT, SSL produced statistically significant positive effects on all four alphabetics outcomes
status review
evidence_strength moderate
newest_evidence 2007
generated by process:wiki-ingest on 2026-10-07
trust unverified — no one has confirmed this page's content
sources 1 — what-works-clearinghouse-2007

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