Read Naturally® shows potentially positive effects on general reading achievement for beginning readers (average improvement index +10 percentile points)¶
Claim · All claims
Evidence · 1 study · quant-synthesisr1·q3
Currency · newest study 2013 · 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 i? Across two studies including 126 students, Read Naturally® had potentially positive effects on general reading achievement, with an average improvement index of +10 percentile points (range +6 to +17). → Read Naturally® Updated July 2013 — WWC Intervention Report 2013
Evidence¶
Read Naturally® Updated July 2013 — WWC Intervention Report 2013¶
Read Naturally® Updated July 2013 — WWC Intervention Report. (2013). What Works Clearinghouse, U.S. Department of Education. https://ies.ed.gov/ncee/wwc/InterventionReport/407
q3 · i? · quant-synthesis · r1
WWC synthesis of two studies (one RCT without reservations, one quasi-experiment with reservations) reporting the general reading achievement domain. Table 1 prints the rating "Potentially positive effects" with an average improvement index of +10 and a range of +6 to +17 across 126 students, with a small extent of evidence.
"General reading achievement Potentially positive effects +10 +6 to +17 2 126 Small"
Discussion¶
Related Claims¶
- The WWC rates Project CRISS® as having potentially positive effects on comprehension for adolescent learners, with an average improvement index of +20 percentile points — related
- Read Naturally® shows no discernible effects on comprehension for beginning readers — related
- Read Naturally® shows mixed effects on reading fluency for beginning readers (average improvement index +7 percentile points) — related
- Growth Mindset interventions have potentially positive effects on postsecondary academic achievement (improvement index +13) — related
- The WWC rates PALS as having potentially positive effects on alphabetics, no discernible effects on fluency, and mixed effects on comprehension for beginning readers — related
- Repeated reading has potentially positive effects on reading comprehension for students with learning disabilities, with a small extent of evidence — related
- Read Naturally® shows no discernible effects on alphabetics for beginning readers — related
Page metadata
| Field | Value |
|---|---|
type |
claim |
id |
read-naturally-potentially-positive-general-reading-achievement |
title |
Read Naturally® shows potentially positive effects on general reading achievement for beginning readers (average improvement index +10 percentile points) |
description |
Read Naturally® shows potentially positive effects on general reading achievement for beginning readers (average improvement index +10 percentile points) |
status |
review |
evidence_strength |
moderate |
newest_evidence |
2013 |
generated |
by process:wiki-ingest on 2026-10-07 |
trust |
unverified — no one has confirmed this page's content |
sources |
1 — read-naturally-updated-july-2013-wwc-intervention-report-2013 |
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