Claims

Teacher-supported learning scaffolds show the largest effect (ES = 0.92), and longer intervention durations yield larger effects

Claim · All claims
Evidence · 1 study (2 entries) · quant-synthesis r2–r3 · q3 · i2 medium
Currency · newest study 2023 · 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 i2 Among learning scaffolds, the teacher-supported scaffold had the largest effect (ES = 0.92, P < 0.01), compared with resource-supported (ES = 0.69) and technique-supported (ES = 0.63). → Xu 2023 q3 i2 Effect sizes tended to increase with longer intervention durations, reaching ES = 0.85 after more than 12 weeks. → Xu 2023 (2)

Evidence

Xu 2023

Xu, E., Wang, W., & Wang, Q. (2023). The effectiveness of collaborative problem solving in promoting students' critical thinking: A meta-analysis based on empirical literature. Humanities and Social Sciences Communications. https://doi.org/10.1057/s41599-023-01508-1

q3 · i2 · quant-synthesis · r2

Subgroup analysis by learning scaffold (Table 4): teacher-supported (62 effect quantities, ES = 0.92), resource-supported (44, ES = 0.69), technique-supported (49, ES = 0.63); all three scaffold types enhanced critical thinking significantly.

"the teacher-supported learning scaffold (ES = 0.92, P < 0.01) displayed a high level of significant impact. These results show that the learning scaffold with teacher support has the greatest impact on cultivating critical thinking."

Xu 2023 (2)

Xu, E., Wang, W., & Wang, Q. (2023). The effectiveness of collaborative problem solving in promoting students' critical thinking: A meta-analysis based on empirical literature. Humanities and Social Sciences Communications. https://doi.org/10.1057/s41599-023-01508-1

q3 · i2 · quant-synthesis · r3

Subgroup analysis by intervention duration (Table 4): 1–4 weeks (4 effect quantities, ES = 0.64, CI crossing zero), 4–12 weeks (13, ES = 0.79), more than 12 weeks (62, ES = 0.85); intergroup difference significant (chi2 = 12.18, P < 0.01).

"The effect sizes related to this variable showed a tendency to increase with longer intervention durations. The improvement in critical thinking reached a significant level (ES = 0.85, P < 0.01) after more than 12 weeks of training."

Discussion

Page metadata
Field Value
type claim
id teacher-scaffolds-and-longer-duration-stronger-cps-effects
title Teacher-supported learning scaffolds show the largest effect (ES = 0.92), and longer intervention durations yield larger effects
description Teacher-supported learning scaffolds show the largest effect (ES = 0.92), and longer intervention durations yield larger effects
status review
evidence_strength moderate
newest_evidence 2023
generated by process:wiki-ingest on 2026-10-16
trust unverified — no one has confirmed this page's content
sources 2 — xu-2023, xu-2023-2

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