Third-grade students whose teachers implemented IMSE's Morphology+ scored significantly higher on NWEA MAP Growth Reading than comparison students (effect size +0.05)¶
Claim · All claims
Evidence · 1 study · causalr?·q2
Currency · newest study 2025 · 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? Students taught by Morphology+-trained teachers scored significantly higher than comparison students on NWEA MAP Growth Reading, with an effect size of +0.05. → IMSE's Morphology+ 2025
Evidence¶
IMSE's Morphology+ 2025¶
IMSE's Morphology+. (2025). Evidence rating review. https://www.evidenceforlearning.org
q2 · i? · causal · r?
Quasi-experimental study during the 2024-2025 school year in a Title I Michigan district with 206 third-grade students: 51 treatment and 155 comparison, all with prior IMSE Orton-Gillingham Plus instruction. The review reports students "scored significantly higher than comparison students" with "effect size = +0.05".
"Students whose teachers implemented Morphology+ scored significantly higher than comparison students on the NWEA MAP Growth Reading assessment (effect size = +0.05)."
Discussion¶
Related Claims¶
- IMSE's OG+ improves early literacy outcomes in grades K–3, with effect sizes of +0.33 and +0.21 across two quasi-experimental studies — related
- Morphology+ showed larger positive effects in the informational text (+0.17) and vocabulary (+0.18) subdomains than the overall reading effect — a narrower finding that bears on this claim
- Grade 3 Really Great Reading students did not outperform non-users on the winter NWEA MAP administration — related
- Istation use is associated with significantly greater NWEA MAP Reading growth than comparison students in a South Carolina district (ES +0.06) — related
- Grade 2 students receiving Really Great Reading instruction scored higher on the NWEA MAP Reading Growth assessment in winter 2022 — related
- Assignment to BookNook tutoring produces a small but statistically significant increase in reading growth on the NWEA MAP for grade 1-4 students — related
Page metadata
| Field | Value |
|---|---|
type |
claim |
id |
morphology-plus-significant-reading-gain-third-grade |
title |
Third-grade students whose teachers implemented IMSE's Morphology+ scored significantly higher on NWEA MAP Growth Reading than comparison students (effect size +0.05) |
description |
Third-grade students whose teachers implemented IMSE's Morphology+ scored significantly higher on NWEA MAP Growth Reading than comparison students (effect size +0.05) |
status |
review |
evidence_strength |
moderate |
newest_evidence |
2025 |
generated |
by process:wiki-ingest on 2026-10-07 |
trust |
unverified — no one has confirmed this page's content |
sources |
1 — imses-morphology-2025 |
Frontmatter is the page's machine-readable record — see the Schema & Guide.