Claims

The WWC rates The Expert Mathematician as having potentially positive effects on middle school mathematics achievement

Claim · All claims
Evidence · 1 study · causal r2 · q2
Currency · newest study 2006 · 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? The WWC assigned the rating "potentially positive effects" because the single reviewed study showed a substantively important positive effect and no contrary evidence, but the study did not show statistically significant positive effects. → What Works Clearinghouse 2006

Evidence

What Works Clearinghouse 2006

What Works Clearinghouse. (2006). WWC Intervention Report: The Expert Mathematician, Middle School Mathematics, Revised October 14, 2006. U.S. Department of Education, What Works Clearinghouse. https://ies.ed.gov/ncee/WWC/InterventionReport/513

q2 · i? · causal · r2

The WWC's intervention rating for the math achievement domain, based on one study meeting evidence standards. Appendix A4 states the program "did not meet the criteria for positive effects because it had only one study" and that the one study "showed a substantively important positive effect."

"The WWC found The Expert Mathematician to have potentially positive effects on mathematics achievement"

Discussion

Page metadata
Field Value
type claim
id wwc-potentially-positive-rating-expert-mathematician
title The WWC rates The Expert Mathematician as having potentially positive effects on middle school mathematics achievement
description The WWC rates The Expert Mathematician as having potentially positive effects on middle school mathematics achievement
status review
evidence_strength weak
newest_evidence 2006
generated by process:wiki-ingest on 2026-10-07
trust unverified — no one has confirmed this page's content
sources 1 — what-works-clearinghouse-2006

Frontmatter is the page's machine-readable record — see the Schema & Guide.