Claims

Children taking optional handicraft lessons scored significantly worse overall than controls, and handicraft did not significantly predict marks in regression

Claim · All claims
Evidence · 1 study · associational r2 · q2
Currency · newest study 2009 · 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? Group 3 (handicraft, n=14) received significantly worse average marks than controls, t(79)=2.51, p<.05. → Olive Emil Wetter 2009 q2 i? In the multiple regression, handicraft did not significantly correlate with overall average marks (Beta -.099, p=.193). → Olive Emil Wetter 2009

Evidence

Olive Emil Wetter 2009

Olive Emil Wetter, Fritz Koerner, Adrian Schwaninger. (2009). Does musical training improve school performance? Instr Sci 37:365–374. https://doi.org/10.1007/s11251-008-9052-y

q2 · i? · associational · r2

Comparison of the 14 children taking optional handicraft lessons but not music against the 67 controls; the small group (n=14) limits the finding, and handicraft was non-significant in the regression.

"Children taking optional handicraft lessons (group 3) received significantly worse average marks at school than controls with t(79) = 2.51, p\ .05."

Discussion

Page metadata
Field Value
type claim
id handicraft-lessons-worse-marks-not-significant-predictor
title Children taking optional handicraft lessons scored significantly worse overall than controls, and handicraft did not significantly predict marks in regression
description Children taking optional handicraft lessons scored significantly worse overall than controls, and handicraft did not significantly predict marks in regression
status review
evidence_strength weak
newest_evidence 2009
generated by process:wiki-ingest on 2026-10-18
trust unverified — no one has confirmed this page's content
sources 1 — olive-emil-wetter-2009

Frontmatter is the page's machine-readable record — see the Schema & Guide.