Seasonality affects estimates of school effectiveness¶
Claim · All claims
Evidence · 1 study · associationalr?·q2
Currency · newest study 2019 · checked against its sources 2026-10-20 (automated, 1 of 1 entry) · 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? Estimates of school effectiveness are influenced by seasonality in student learning. → Reconciling long-term education policy goals with short-term school accountability models 2019
Evidence¶
Reconciling long-term education policy goals with short-term school accountability models 2019¶
Reconciling long-term education policy goals with short-term school accountability models. (2019). NWEA Research. https://www.nwea.org/research/publication/reconciling-long-term-education-policy-goals-with-short-term-school-accountability-models/
q2 · i? · associational · r?
The brief's own description states it examines "the effect of seasonality on estimates of school effectiveness", framing seasonal learning patterns as a factor that shapes effectiveness estimates used in accountability. No effect size or sample is printed in the supplied text.
"Learn more about the effect of seasonality on estimates of school effectiveness and how ignoring summer loss can impact which schools are identified as low performers."
Discussion¶
Related Claims¶
- Ignoring summer loss changes which schools are identified as low performers — a narrower finding that bears on this claim
- Ignoring summer loss can impact which schools are identified as low performers under federal accountability — a narrower finding that bears on this claim
- Interim achievement data exhibit distinctly seasonal patterns that few existing statistical models can approximate — related
- Assuming linear within-year achievement growth is often not justified, particularly in reading — related
- Reinstating high-stakes testing to measure learning loss narrows the curriculum and does not benefit long-term achievement — related
- The proposed seasonal growth model combines polynomial terms for year-to-year growth with piecewise terms for within-year gains and losses — related
Page metadata
| Field | Value |
|---|---|
type |
claim |
id |
seasonality-affects-school-effectiveness-estimates |
title |
Seasonality affects estimates of school effectiveness |
description |
Seasonality affects estimates of school effectiveness |
status |
review |
evidence_strength |
weak |
newest_evidence |
2019 |
source_checked |
2026-10-20 |
generated |
by process:wiki-ingest on 2026-10-09 |
trust |
unverified — no one has confirmed this page's content |
sources |
1 — reconciling-long-term-education-policy-goals-with-short-term-school-accountability-models-2019 |
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