The DC reform analysis used advanced statistical methods to account for pre-reform differences between DC and other areas and general trends afterward¶
Claim · All claims
Evidence · 1 study · causalr?·q2
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 i? The analysis accounted for pre-reform differences between DC and other areas and for general trends afterward using advanced statistical methods. → Duncan Chaplin 2021
Evidence¶
Duncan Chaplin 2021¶
Duncan Chaplin. (2021). Testimony: Impact of the DC School Reforms on Student Achievement. Mathematica. https://www.mathematica.org/publications/testimony-impact-of-the-dc-school-reforms-on-student-achievement
q2 · i? · causal · r?
The testimony's stated method: NAEP data from the early 1990s to 2017 combined with "advanced statistical methods" to account for pre-reform differences between DC and other areas and general trends afterward. No specific model is named on the page.
"along with advanced statistical methods, which were used to account for pre-reform differences between DC and other areas and general trends afterward."
Discussion¶
Related Claims¶
- The 2007 DC school reforms improved student learning in reading, per testimony based on NAEP data through 2017 — related
- The 2007 DC school reforms improved student learning in math, per testimony based on NAEP data from the early 1990s to 2017 — related
- The 2007 DC reforms aimed to improve student achievement by hiring and retaining higher quality teachers and providing families more public school choices — related
- The DC school reforms were associated with larger than expected improvements in grade 4 math and reading scores on the National Assessment of Educational Progress — related
Page metadata
| Field | Value |
|---|---|
type |
claim |
id |
dc-reform-analysis-statistical-controls |
title |
The DC reform analysis used advanced statistical methods to account for pre-reform differences between DC and other areas and general trends afterward |
description |
The DC reform analysis used advanced statistical methods to account for pre-reform differences between DC and other areas and general trends afterward |
status |
review |
evidence_strength |
weak |
newest_evidence |
2021 |
generated |
by process:wiki-ingest on 2026-10-08 |
trust |
unverified — no one has confirmed this page's content |
sources |
1 — duncan-chaplin-2021 |
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