Claims

Paying ninth graders for course grades increases GPA but not achievement test scores in Chicago

Claim · All claims
Evidence · 1 study · causal r2 · q3
Currency · newest study 2010 · 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.

q3 i? Chicago grade incentives raised GPA by .093 (.057) ITT and .131 (.078) TOT, with no effect on math or reading test scores. → Roland G. Fryer 2010

Evidence

Roland G. Fryer 2010

Roland G. Fryer, Jr. (2010). Financial Incentives and Student Achievement: Evidence from Randomized Trials. NBER Working Paper No. 15898. http://www.nber.org/papers/w15898

q3 · i? · causal · r2

Chicago randomized trial in 20 low-performing high schools: ninth graders paid $50 per A, $35 per B, $20 per C in five core courses. GPA increased but test scores on the PLAN assessment did not.

"The estimate of the impact of incentives on grades is .093 (.057) [ITT] and .131 (.078) [TOT]."

Discussion

Page metadata
Field Value
type claim
id grade-incentives-raise-gpa-not-test-scores
title Paying ninth graders for course grades increases GPA but not achievement test scores in Chicago
description Paying ninth graders for course grades increases GPA but not achievement test scores in Chicago
status review
evidence_strength moderate
newest_evidence 2010
generated by process:wiki-ingest on 2026-10-15
trust unverified — no one has confirmed this page's content
sources 1 — roland-g-fryer-2010

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