Claims

The levels and rates of studies meeting WWC evidence standards have increased over the life of the What Works Clearinghouse

Claim · All claims
Evidence · 1 study · associational r? · q2
Currency · newest study 2017 · 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? Over the life of the WWC, the levels and rates of studies meeting its evidence standards have been increasing. → Neil Seftor 2017

Evidence

Neil Seftor 2017

Neil Seftor. (2017). Raising the Bar. Evaluation Review, vol. 41, no. 3. https://www.mathematica.org/publications/raising-the-bar

q2 · i? · associational · r?

Analysis of the WWC's database of reviewed studies examining changes in study dispositions over time. The article reports that "The levels and rates of studies meeting standards have been increasing over the life of the WWC." No effect size or test statistic is printed.

"The levels and rates of studies meeting standards have been increasing over the life of the WWC."

Discussion

Page metadata
Field Value
type claim
id wwc-studies-meeting-standards-increasing-over-time
title The levels and rates of studies meeting WWC evidence standards have increased over the life of the What Works Clearinghouse
description The levels and rates of studies meeting WWC evidence standards have increased over the life of the What Works Clearinghouse
status review
evidence_strength moderate
newest_evidence 2017
generated by process:wiki-ingest on 2026-10-08
trust unverified — no one has confirmed this page's content
sources 1 — neil-seftor-2017

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