Claims

Cooperative learning showed no significant main effect on bullying across the full sample

Claim · All claims
Evidence · 1 study · causal r2 · q3
Currency · newest study 2018 · 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.

q3 i? In a post-hoc analysis, the main effect of the intervention on bullying was not significant (B = −.06, SE = .04, ns). → Van Ryzin 2018

Evidence

Van Ryzin 2018

Van Ryzin, M. J., & Roseth, C. J. (2018). Cooperative Learning in Middle School: A Means to Improve Peer Relations and Reduce Victimization, Bullying, and Related Outcomes. Journal of Educational Psychology, 110(8), 1192-1201. https://doi.org/10.1037/edu0000265

q3 · i? · causal · r2

Post-hoc exploratory analysis in the cluster randomized trial tested the intervention main effect on bullying; the printed result was B = −.06, SE = .04, non-significant, with no effect size reported.

"Finally, in a post-hoc analysis (discussed in more detail below), we evaluated the main effect of the intervention on bullying; it was not significant (B = −.06, SE = 04, ns)."

Discussion

Learner Variables

Page metadata
Field Value
type claim
id cooperative-learning-no-main-effect-bullying
title Cooperative learning showed no significant main effect on bullying across the full sample
description Cooperative learning showed no significant main effect on bullying across the full sample
status review
evidence_strength weak
newest_evidence 2018
generated by process:wiki-ingest on 2026-10-23
trust unverified — no one has confirmed this page's content
sources 1 — van-ryzin-2018

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