Claims

Effects of Corrective Reading varied by student subgroup: positive for students with high pretest vocabulary scores and for students not eligible for free/reduced lunch, but not for their counterparts

Claim · All claims
Evidence · 1 study (3 entries) · causal r2 · q2
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.

q2 i? Corrective Reading had a statistically significant positive effect on alphabetics for students with high pretest PPVT scores and no effects for students with low pretest PPVT scores. → Corrective Reading—What Works Clearinghouse Intervention Report 2007 q2 i? Statistically significant positive effects on TOWRE sight word efficiency and oral fluency appeared for students not eligible for free/reduced lunch but not for eligible students. → Corrective Reading—What Works Clearinghouse Intervention Report 2007 (2) q2 i? No differences were found for alphabetics or fluency outcomes as a function of students' initial word attack scores. → Corrective Reading—What Works Clearinghouse Intervention Report 2007 (3)

Evidence

Corrective Reading—What Works Clearinghouse Intervention Report 2007

Corrective Reading—What Works Clearinghouse Intervention Report. (2007). U.S. Department of Education, What Works Clearinghouse. https://www.ed.gov/rschstat/eval/disadv/title1interimreport/index.html

q2 · i? · causal · r2

Subgroup analyses by initial skill level and socioeconomic status reported in the footnotes to the WWC findings tables for the Torgesen et al. (2006) trial; no effect sizes are printed for the subgroup contrasts.

"The study reported that Corrective Reading had a statistically significant positive effect on alphabetics for students with high pretest PPVT scores and no effects on students with low pretest PPVT scores."

Corrective Reading—What Works Clearinghouse Intervention Report 2007 (2)

Corrective Reading—What Works Clearinghouse Intervention Report. (2007). U.S. Department of Education, What Works Clearinghouse. https://www.ed.gov/rschstat/eval/disadv/title1interimreport/index.html

q2 · i? · causal · r2

Socioeconomic-status subgroup analysis from the same trial, reported in the alphabetics findings footnote; the fluency footnote reports the same pattern for the Oral Fluency Test. No subgroup effect sizes are printed.

"An additional subgroup analysis found statistically significant positive effects on the TOWRE sight word efficiency subtest for students not eligible for the free/reduced lunch program, but not for students eligible for the free/reduced lunch program."

Corrective Reading—What Works Clearinghouse Intervention Report 2007 (3)

Corrective Reading—What Works Clearinghouse Intervention Report. (2007). U.S. Department of Education, What Works Clearinghouse. https://www.ed.gov/rschstat/eval/disadv/title1interimreport/index.html

q2 · i? · causal · r2

Initial-skill-level subgroup analysis reported in the alphabetics findings footnote of the WWC report; the fluency footnote likewise states no differences between initial skill level subgroups for fluency.

"The study found no differences for alphabetics outcomes as a function of students’ initial level of word attack scores."

Discussion

Page metadata
Field Value
type claim
id corrective-reading-subgroup-moderators
title Effects of Corrective Reading varied by student subgroup: positive for students with high pretest vocabulary scores and for students not eligible for free/reduced lunch, but not for their counterparts
description Effects of Corrective Reading varied by student subgroup: positive for students with high pretest vocabulary scores and for students not eligible for free/reduced lunch, but not for their counterparts
status review
evidence_strength weak
newest_evidence 2007
generated by process:wiki-ingest on 2026-10-07
trust unverified — no one has confirmed this page's content
sources 3 — corrective-readingwhat-works-clearinghouse-intervention-report-2007, corrective-readingwhat-works-clearinghouse-intervention-report-2007-2, corrective-readingwhat-works-clearinghouse-intervention-report-2007-3

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