Claims

Grades themselves, regardless of formula, detrimentally affect creative thinking, long-term retention, interest in learning, and preference for challenging tasks

Claim · All claims
Evidence · 1 study · review r1 · q2
Currency · newest study 1994 · checked against its sources 2026-10-19 (automated, 1 of 1 entry) · 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? Grades have been found to detrimentally affect creative thinking, long-term retention, interest in learning, and preference for challenging tasks, an effect attributed to grading itself rather than grade quality. → Kohn 1994

Evidence

Kohn 1994

Kohn, Alfie. (1994). The Risks of Rewards. ERIC Digest. ERIC Clearinghouse on Elementary and Early Childhood Education Urbana IL. https://eric.ed.gov/?id=ED376990

q2 · i? · review · r1

The digest reports, citing Butler & Nisan (1986) and Grolnick & Ryan (1987), that "grades in particular have been found to have a detrimental effect on creative thinking, long-term retention, interest in learning, and preference for challenging tasks." No effect sizes are printed.

"grades in particular have been found to have a detrimental effect on creative thinking, long-term retention, interest in learning, and preference for challenging tasks (Butler & Nisan, 1986; Grolnick & Ryan, 1987)."

Discussion

Page metadata
Field Value
type claim
id grades-detrimental-creative-thinking-retention
title Grades themselves, regardless of formula, detrimentally affect creative thinking, long-term retention, interest in learning, and preference for challenging tasks
description Grades themselves, regardless of formula, detrimentally affect creative thinking, long-term retention, interest in learning, and preference for challenging tasks
status review
evidence_strength weak
newest_evidence 1994
source_checked 2026-10-19
generated by process:wiki-ingest on 2026-10-16
trust unverified — no one has confirmed this page's content
sources 1 — kohn-1994

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