Claims

One small evaluation of Achieve3000 found positive effects on the SRI but not Terra Nova (average effect size +0.16)

Claim · All claims
Evidence · 1 study · causal r? · q2 · i1 small
Currency · newest study 2021 · 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 i1 A small evaluation found positive effects on the SRI but not Terra Nova, with an average effect size of +0.16. → Achieve3000 2021

Evidence

Achieve3000 2021

Achieve3000. (2021). Achieve3000 evidence rating and program description. https://www.achieve3000.com

q2 · i1 · causal · r?

A small evaluation reported in the Program Outcomes section found "positive effects on the SRI but not Terra Nova (average effect size = +0.16)." This single study qualified the program for the Promising category under the Evidence Standards.

"One small evaluation of Achieve3000 found positive effects on the SRI but not Terra Nova (average effect size = +0.16)."

Discussion

Page metadata
Field Value
type claim
id achieve3000-small-study-positive-sri
title One small evaluation of Achieve3000 found positive effects on the SRI but not Terra Nova (average effect size +0.16)
description One small evaluation of Achieve3000 found positive effects on the SRI but not Terra Nova (average effect size +0.16)
status review
evidence_strength weak
newest_evidence 2021
generated by process:wiki-ingest on 2026-10-09
trust unverified — no one has confirmed this page's content
sources 1 — achieve3000-2021

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