Claims

In Root's study, superior children (IQ 135+ younger, 120+ older) excelled normal children on all administered tests

Claim · All claims
Evidence · 1 study · review r2 · q2
Currency · newest study 1922 · 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? The superior children excelled normal children on all the tests given (opposites, symbol-digit, directions, proverbs, and the like). → Sandiford 1922

Evidence

Sandiford 1922

Sandiford, P., & R. P. (1922). New Publications: reviews of Baldwin's mental growth study, Root's A Socio-Psychological Study of 53 Supernormal Children, and Ballard's Group Tests of Intelligence. The Journal of Educational Psychology. https://psycnet.apa.org/journal/edu

q2 · i? · review · r2

Review of Root's monograph, a sociological and psychological study of a small group of children of superior intelligence selected via principals' and teachers' reports; the review reports the children "excelled normal children on all these tests." No statistics are printed in the review.

"These children were given a great number of tests of all kinds, opposites, symbol-digit, directions, proverbs, and the like. The superior children excelled normal children on all these tests."

Discussion

Page metadata
Field Value
type claim
id superior-children-excelled-normal-on-all-tests
title In Root's study, superior children (IQ 135+ younger, 120+ older) excelled normal children on all administered tests
description In Root's study, superior children (IQ 135+ younger, 120+ older) excelled normal children on all administered tests
status review
evidence_strength weak
newest_evidence 1922
generated by process:wiki-ingest on 2026-10-24
trust unverified — no one has confirmed this page's content
sources 1 — sandiford-1922

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