Claims

The achievement divide between high and low achievers widened significantly over the last two years of the pandemic

Claim · All claims
Evidence · 1 study · associational r2 · q2
Currency · newest study 2022 · not yet checked against its sources · not reviewed by a person · recheck by 2027: 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.

q2 i? The gap between the highest- and lowest-achieving students widened significantly over the two pandemic years. → Karyn Lewis 2022

Evidence

Karyn Lewis 2022

Karyn Lewis, Megan Kuhfeld, Meredith Langi, Scott J. Peters, Erin Fahle. (2022). The widening achievement divide during COVID-19. NWEA Research brief. https://www.nwea.org/research/publication/the-widening-achievement-divide-during-covid-19/

q2 · i? · associational · r2

Based on comparing spring 2022 MAP Growth results with a similar sized pre-pandemic sample, the authors conclude "the achievement divide that has widened significantly over the last two years." No effect size is printed in the available text.

"suggest a critical need for focusing support to help the lowest achieving students catch up to address the achievement divide that has widened significantly over the last two years"

Discussion

Page metadata
Field Value
type claim
id achievement-divide-widened-significantly
title The achievement divide between high and low achievers widened significantly over the last two years of the pandemic
description The achievement divide between high and low achievers widened significantly over the last two years of the pandemic
status review
evidence_strength moderate
newest_evidence 2022
recheck_by 2027
generated by process:wiki-ingest on 2026-10-08
trust unverified — no one has confirmed this page's content
sources 1 — karyn-lewis-2022

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