Claims

Solution quality does not mediate the effect of collaboration on conceptual knowledge in PF

Claim · All claims
Evidence · 1 study (2 entries) · causal r2 · q3
Currency · newest study 2023 · checked against its sources 2026-10-20 (automated, 2 of 2 entries) · 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? The indirect effect of condition on conceptual knowledge through quality of solutions was not significant, and the individual paths failed to remain significant after p-value adjustment. → Charleen Brand 2023

Evidence

Charleen Brand 2023

Charleen Brand, Christian Hartmann, Katharina Loibl, Nikol Rummel. (2023). Do students learn more from failing alone or in groups? Insights into the effects of collaborative versus individual problem solving in productive failure. Instructional Science. https://doi.org/10.1007/s11251-023-09619-7

q3 · i? · causal · r2

Mediation analysis (N = 135) with solution quality (best solution scored 0–4 on canonical components) as mediator. The indirect effect a2b2 = 0.24 had a confidence interval including zero.

"The bootstrap confidence interval of the indirect effect of the condition on conceptual knowledge, mediated through quality of solutions, did not suggest a mediation effect, a2b2 = 0.24, SE = 0.15, 95% CI [− 0.01, 0.59]."

Charleen Brand 2023 (2)

Charleen Brand, Christian Hartmann, Katharina Loibl, Nikol Rummel. (2023). Do students learn more from failing alone or in groups? Insights into the effects of collaborative versus individual problem solving in productive failure. Instructional Science. https://doi.org/10.1007/s11251-023-09619-7

q3 · i? · causal · r2

Path a2 from condition to solution quality was initially significant (p = 0.045) but not after Holm-Bonferroni adjustment (p' = 0.585); the b2 path (quality to conceptual knowledge, b2 = 0.65, p = 0.022, p' = 0.308) likewise did not hold.

"The effect of condition on quality of solution reached significance but failed to remain significant with adjusted p’-values, a2 = 0.36, SE = 0.18, t = 2.03, p = 0.045, p’ = 0.585, 95% CI [0.01, 7.19]."

Discussion

Page metadata
Field Value
type claim
id pf-solution-quality-no-mediation
title Solution quality does not mediate the effect of collaboration on conceptual knowledge in PF
description Solution quality does not mediate the effect of collaboration on conceptual knowledge in PF
status review
evidence_strength moderate
newest_evidence 2023
source_checked 2026-10-20
generated by process:wiki-ingest on 2026-10-18
trust unverified — no one has confirmed this page's content
sources 2 — charleen-brand-2023, charleen-brand-2023-2

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