Some educators are concerned that students scoring at the bottom or top of a test's score distribution will negatively affect the value-added estimates of those students' teachers¶
Claim · All claims
Evidence · 1 study · associationalr?·q1
Currency · newest study 2014 · not yet checked against its sources · not reviewed by a person · overdue for a recheck since 2017: tool and model accuracy changes quickly
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.
q1 i? Educators express concern that students with scores at the bottom or top of the test score distribution will negatively affect their teachers' value-added estimates. → Alexandra Resch 2014
Evidence¶
Alexandra Resch 2014¶
Alexandra Resch, Eric Isenberg. (2014). How Do Test Scores at the Floor and Ceiling Affect Value-Added Estimates? Working Paper 33. Washington, DC: Mathematica Policy Research. https://www.mathematica.org/publications/how-do-test-scores-at-the-floor-and-ceiling-affect-value-added-estimates
q1 · i? · associational · r?
The paper states this concern as motivation for the study; the article offers no evidence or argument about the prevalence of this concern beyond the statement itself.
"Some educators are concerned that students with test scores at the bottom or top of the test score distribution will negatively affect the value-added estimates of teachers of those students"
Discussion¶
Related Claims¶
- Test scores at the floor of a test's score scale contain real information about students' performance, so floor scores do not distort teacher value-added estimates — related
- The lower a test's score ceiling, the more teacher value-added estimates shrink toward the average teacher, because ceiling scores contain imprecise information about achievement — related
- Multiple-choice state tests are prone to ceiling and floor effects and do not measure higher-order skills well — related
- The paper clarifies confusion about the use of value-added information in teacher evaluation — a broader claim this one bears on
- The working paper examines the sensitivity and precision of teacher value-added estimates under specifications differing in student-level, peer-level, and double-lagged achievement controls — related
Page metadata
| Field | Value |
|---|---|
type |
claim |
id |
educator-concern-floor-ceiling-value-added |
title |
Some educators are concerned that students scoring at the bottom or top of a test's score distribution will negatively affect the value-added estimates of those students' teachers |
description |
Some educators are concerned that students scoring at the bottom or top of a test's score distribution will negatively affect the value-added estimates of those students' teachers |
status |
review |
evidence_strength |
weak |
newest_evidence |
2014 |
recheck_by |
2017 |
generated |
by process:wiki-ingest on 2026-10-08 |
trust |
unverified — no one has confirmed this page's content |
sources |
1 — alexandra-resch-2014 |
Frontmatter is the page's machine-readable record — see the Schema & Guide.