Claims

Woolley found 25.5% of 18-year-old industrial workers feeble-minded on the point scale and advised changing the definition of feeble-mindedness so tested deficiency better matched common-sense opinion.

Claim · All claims
Evidence · 1 study · associational r1 · q2
Currency · newest study 1917 · 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.

q2 i? Applying the point scale to 18-year-old industrial workers, Woolley found 25.5% feeble-minded and advised redefining feeble-mindedness so test yields better matched common-sense opinion of legislators. → Kohs 1917

Evidence

Kohs 1917

Kohs, Samuel C. (1917). An Annotated Bibliography of Recent Literature on the Binet-Simon Scale (1913-1917), Part IV. The Journal of Educational Psychology. https://www.google.com/search?q=%22Annotated+Bibliography+of+Recent+Literature+on+the+Binet-Simon+Scale%22+Kohs

q2 · i? · associational · r1

Entry 447 annotates Woolley's 1916 Survey article: she "Applied point scale to 18 year-old industrial workers" and "25.5% were found feeble-minded." The annotation prints the percentage descriptively; no effect size or test statistic is given.

"Applied point scale to 18 year-old industrial workers. 25.5% were found feeble-minded. Advises change in the definition of feeble-mindedness, so that the tests should yield a proportion of mental deficiency more in harmony with the common sense opinion of legislators."

Discussion

Page metadata
Field Value
type claim
id woolley-18-year-industrial-workers-25-5-percent-feeble-minded
title Woolley found 25.5% of 18-year-old industrial workers feeble-minded on the point scale and advised changing the definition of feeble-mindedness so tested deficiency better matched common-sense opinion.
description Woolley found 25.5% of 18-year-old industrial workers feeble-minded on the point scale and advised changing the definition of feeble-mindedness so tested deficiency better matched common-sense opinion.
status review
evidence_strength weak
newest_evidence 1917
generated by process:wiki-ingest on 2026-10-24
trust unverified — no one has confirmed this page's content
sources 1 — kohs-1917

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