Claims

After two years, three of four elementary math curricula outperform a fourth in achievement across first and second grades

Claim · All claims
Evidence · 1 study · causal r? · q2
Currency · newest study 2013 · checked against its sources 2026-10-14 (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? After two years of implementation in grades 1-2, three elementary math curricula outperformed a fourth curriculum on student achievement. → Agodini 2013

q2 i? In a large-scale study of four elementary math curricula followed across first and second grades, three curricula outperformed the fourth after two years. → Agodini 2013

Evidence

Agodini 2013

Agodini, Roberto; Harris, Barbara; Seftor, Neil; Remillard, Janine; Thomas, Melissa. (2013). After Two Years, Three Elementary Math Curricula Outperform a Fourth (Issue Brief). Washington, DC: U.S. Department of Education, Institute of Education Sciences, National Center for Education Evaluation and Regional Assistance. https://ies.ed.gov/ncee/

q2 · i? · causal · r?

The brief's headline finding, stated in its title, is that after two years three of the four studied elementary math curricula "Outperform a Fourth". The available text states the comparison only at summary level; no effect sizes or test statistics are printed in the supplied text.

"After Two Years, Three Elementary Math Curricula Outperform a Fourth (Issue Brief)"

Discussion

Page metadata
Field Value
type claim
id three-math-curricula-outperform-fourth-after-two-years
aliases three-elementary-math-curricula-outperform-fourth-two-years
title After two years, three of four elementary math curricula outperform a fourth in achievement across first and second grades
description After two years, three of four elementary math curricula outperform a fourth in achievement across first and second grades
status review
evidence_strength moderate
newest_evidence 2013
source_checked 2026-10-14
generated by process:wiki-ingest on 2026-10-08
trust unverified — no one has confirmed this page's content
sources 1 — agodini-2013

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