The reliability of a teacher evaluation system determines the proportion of teachers who can be identified as exceptional¶
Claim · All claims
Evidence · 1 study · theoreticalr?·q2
Currency · newest study 2011 · not yet checked against its sources · not reviewed by a person · overdue for a recheck since 2014: 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.
q2 i? The report demonstrates that the reliability of a teacher evaluation system determines the proportion of teachers who can be identified as exceptional. → Glazerman 2011
Evidence¶
Glazerman 2011¶
Glazerman, S., Goldhaber, D., Loeb, S., Raudenbush, S., Staiger, D. O., Whitehurst, G. J., & Croft, M. (2011). Passing Muster: Evaluating Teacher Evaluation Systems. Washington, DC: Brown Center on Education Policy at Brookings. https://www.mathematica.org/publications/passing-muster-evaluating-teacher-evaluation-systems
q2 · i? · theoretical · r?
The report's own summary states this demonstration as a central contribution: "the reliability of the evaluation system determines the proportion of teachers who can be identified as exceptional." No effect size or sample is printed in the available text.
"It also demonstrates how the reliability of the evaluation system determines the proportion of teachers who can be identified as exceptional."
Discussion¶
Related Claims¶
- Educator evaluation systems combine student growth measures with other performance measures such as classroom observation scores to identify highest- and lowest-performing teachers — related
- Evidence on reliability and validity of alternative student growth measures, especially student learning objectives, is limited — related
Page metadata
| Field | Value |
|---|---|
type |
claim |
id |
evaluation-reliability-determines-exceptional-teacher-proportion |
title |
The reliability of a teacher evaluation system determines the proportion of teachers who can be identified as exceptional |
description |
The reliability of a teacher evaluation system determines the proportion of teachers who can be identified as exceptional |
status |
review |
evidence_strength |
weak |
newest_evidence |
2011 |
recheck_by |
2014 |
generated |
by process:wiki-ingest on 2026-10-08 |
trust |
unverified — no one has confirmed this page's content |
sources |
1 — glazerman-2011 |
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