Claims

Seasonal patterns are discrepant across national data sets

Claim · All claims
Evidence · 1 study · associational r? · q1
Currency · newest study 2021 · checked against its sources 2026-10-20 (automated, 1 of 1 entry) · not reviewed by a person · recheck by 2026: baselines and conditions change

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.

q1 i? The article reports that seasonal patterns differ across national data sets, an inconsistency the authors take up in their discussion. → Dennis Condron 2021

Evidence

Dennis Condron 2021

Dennis Condron, Douglas Downery, Megan Kuhfeld. (2021). Schools as refractors: Change in variance in children's cognitive skills change while in school versus out. Sociology of Education, 94(4), 316-340. https://journals.sagepub.com/home/soe doi:10.1177/00380407211041542

q1 · i? · associational · r?

The abstract's concluding sentence identifies "discrepant seasonal patterns across national data sets" as a discussed issue; the available text does not print the details or magnitudes of the discrepancies.

"We conclude by discussing the theoretical implications of our findings, possible reasons why the math findings differ from those of other subjects, and discrepant seasonal patterns across national data sets."

Discussion

Page metadata
Field Value
type claim
id discrepant-seasonal-patterns-national-data-sets
title Seasonal patterns are discrepant across national data sets
description Seasonal patterns are discrepant across national data sets
status review
evidence_strength weak
newest_evidence 2021
source_checked 2026-10-20
recheck_by 2026
generated by process:wiki-ingest on 2026-10-08
trust unverified — no one has confirmed this page's content
sources 1 — dennis-condron-2021

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