Claims

Drill classes improved from two to three times as much as non-drill classes in arithmetic fundamentals

Claim · All claims
Evidence · 1 study · causal r1 · q2
Currency · newest study 1915 · 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? Improvement made by members of the drill classes averaged from two to three times as much as the improvement made by the non-drill classes. → Brown 1915

Evidence

Brown 1915

Brown, J. C. (1915). An Investigation on the Value of Drill Work in the Fundamental Operations of Arithmetic. Part II. The Journal of Educational Psychology. https://psycnet.apa.org/journals/edu/

q2 · i? · causal · r1

Comparative analysis of first and second test records of drill and non-drill sections across four cities. The author states the improvement made by drill classes "averages from two to three times as much as the improvement made by the non-drill classes." No inferential test statistic is printed; gains are descriptive percentages.

"In all of the preceding tables it appears that the improvement made by members of the drill classes averages from two to three times as much as the improvement made by the non-drill classes."

Discussion

Learner Variables

Page metadata
Field Value
type claim
id drill-improvement-two-to-three-times-nondrill
title Drill classes improved from two to three times as much as non-drill classes in arithmetic fundamentals
description Drill classes improved from two to three times as much as non-drill classes in arithmetic fundamentals
status review
evidence_strength moderate
newest_evidence 1915
generated by process:wiki-ingest on 2026-10-23
trust unverified — no one has confirmed this page's content
sources 1 — brown-1915

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