Claims

An earlier Number Rockets study showed positive effects but was excluded from evidence ratings because its tutors were the authors' graduate students

Claim · All claims
Evidence · 1 study · design r? · q2
Currency · newest study 2020 · 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? An earlier study of Number Rockets showed positive effects, but because the tutors were the authors' graduate students, that study did not meet inclusion standards. → Number Rockets 2020

Evidence

Number Rockets 2020

Number Rockets. (2020). Number Rockets: first-grade math tutoring program description. Tutoring provided through AIR. https://www.air.org

q2 · i? · design · r?

The program summary reports, without printing an effect size, that an earlier Number Rockets study "also showed positive effects" but was excluded because its tutors were the authors' graduate students.

"An earlier study of Number Rockets also showed positive effects, but the tutors were the authors' graduate students, so that study did not meet inclusion standards."

Discussion

Page metadata
Field Value
type claim
id number-rockets-earlier-study-excluded
title An earlier Number Rockets study showed positive effects but was excluded from evidence ratings because its tutors were the authors' graduate students
description An earlier Number Rockets study showed positive effects but was excluded from evidence ratings because its tutors were the authors' graduate students
status review
evidence_strength weak
newest_evidence 2020
generated by process:wiki-ingest on 2026-10-09
trust unverified — no one has confirmed this page's content
sources 1 — number-rockets-2020

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