Claims

Historical increases in peak performance contradict fixed innate upper limits

Claim · All claims
Evidence · 1 study · review r2 · q2
Currency · newest study 2005 · not yet checked against its sources · not reviewed by a person · overdue for a recheck since 2010: baselines and conditions change
Evidence quality · No study behind this claim is a peer-reviewed article with a DOI: it rests on a source with no registered publication record (a web page, book or unpublished report). It is kept because 4 design pages cite it; treat it as a lead to check, not an established finding.

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? Upper limits of performance in sports and music rose dramatically over the last century while the gene pool was essentially unchanged. → Ericsson 2005

Evidence

Ericsson 2005

Ericsson, K. A., Nandagopal, K., & Roring, R. W. (2005). Giftedness viewed from the expert-performance perspective. Journal for the Education of the Gifted, 28(3/4). https://eric.ed.gov/?id=EJ746057

q2 · i? · review · r2

Historical-comparison evidence reviewed by the authors, described as the best single source against fixed capacities. It notes "many serious amateurs of today could easily beat the gold medal winners of the early Olympics" and that once-feared double somersaults are now basic diving skills.

"In some events, such as the marathon and swimming events, many serious amateurs of today could easily beat the gold medal winners of the early Olympics."

Discussion

Page metadata
Field Value
type claim
id historical-improvements-reject-immutable-limits
title Historical increases in peak performance contradict fixed innate upper limits
description Historical increases in peak performance contradict fixed innate upper limits
status review
evidence_strength moderate
newest_evidence 2005
recheck_by 2010
generated by process:wiki-ingest on 2026-09-25
trust unverified — no one has confirmed this page's content
sources 1 — ericsson-2005

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