Claims

Performance tasks did little to differentiate teachers, with most receiving high scores and over a third receiving default scores due to missing data

Claim · All claims
Evidence · 1 study (2 entries) · associational r2 · q2
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.

q2 i? Almost all teachers received high performance task scores: over 20 percent topped out at 4.0 and 74 percent received 3.0 or greater. → Jennie Y. Jiang 2014 q2 i? Thirty-six percent of teachers received the default score of 3.12 on performance tasks due to incomplete or missing data. → Jennie Y. Jiang 2014 (2)

Evidence

Jennie Y. Jiang 2014

Jennie Y. Jiang, Susan E. Sporte, Stuart Luppescu. (2014). Analytic Memo: Evaluation Data from the First Year of REACH. Consortium on Chicago School Research. https://www.cps.edu/Pages/reachstudents.aspx

q2 · i? · associational · r2

District-wide descriptive analysis of over 11,000 teachers' performance task scores in 2012-13, shown in Figure 3: "Over 20 percent of teachers with performance task scores" topped out at 4.0 and 74 percent received 3.0 or greater. No inferential test reported.

"Over 20 percent of teachers with performance task scores "topped out" at the highest performance level, receiving the highest possible score of 4.0; 74 percent received a 3.0 or greater"

Jennie Y. Jiang 2014 (2)

Jennie Y. Jiang, Susan E. Sporte, Stuart Luppescu. (2014). Analytic Memo: Evaluation Data from the First Year of REACH. Consortium on Chicago School Research. https://www.cps.edu/Pages/reachstudents.aspx

q2 · i? · associational · r2

Descriptive analysis of missing performance task data in 2012-13: "Thirty-six percent of teachers did not receive an individual performance task score" and instead received the default score of 3.12. Causes cited include teacher-of-record changes, grading, and uploading difficulties.

"Thirty-six percent of teachers did not receive an individual performance task score and, instead, received CPS's default score of 3.12 due to incomplete or missing data."

Discussion

Page metadata
Field Value
type claim
id reach-performance-tasks-little-differentiation
title Performance tasks did little to differentiate teachers, with most receiving high scores and over a third receiving default scores due to missing data
description Performance tasks did little to differentiate teachers, with most receiving high scores and over a third receiving default scores due to missing data
status review
evidence_strength moderate
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 2 — jennie-y-jiang-2014, jennie-y-jiang-2014-2

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