Claims

The three Wilson Language Error Tests (A, B, and C) approach equality across grades III to XII

Claim · All claims
Evidence · 1 study · design 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? Combined medians for Sioux City and Duluth based on 6965 tests show Tests A, B, and C approaching equality across grades III through XII. → Wilson 1922

Evidence

Wilson 1922

Wilson, G. M. (1922). Language error tests. Journal of Educational Psychology, 13(6), 341–349. doi:10.1037/h0064444

q2 · i? · design · r2

Norming administration of the three test forms in Sioux City, Iowa, and Duluth, Minnesota, yielding combined grade medians (Table VII) and full score distributions (Tables VIII, X). The article states "It is evident from these tables that Tests A, B, and C approach equality."

"The combined medians for Sioux City and Duluth, based upon a total of 6965 tests, are shown in Table VII."

Discussion

Page metadata
Field Value
type claim
id wilson-language-error-tests-equal-value
title The three Wilson Language Error Tests (A, B, and C) approach equality across grades III to XII
description The three Wilson Language Error Tests (A, B, and C) approach equality across grades III to XII
status review
evidence_strength moderate
newest_evidence 1922
generated by process:wiki-ingest on 2026-10-24
trust unverified — no one has confirmed this page's content
sources 1 — wilson-1922

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