Claims

5E-based guidance materials produced significantly better post-test conceptual understanding of "What is the Earth's Crust Composed of?" than the existing textbook, with no pre-test difference between groups

Claim · All claims
Evidence · 1 study · causal r1 · q2
Currency · newest study 2017 · checked against its sources 2026-11-01 (automated, 1 of 1 entry) · not reviewed by a person
Design limits · Tülay Şenel Çoruhlu & Sibel Er Nas 2017: groups were assigned but students were analysed as independent (read from the study by two models, 2026-11-01)

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? There was no significant difference between the pre-test scores of the experimental and control groups (U=136.00, p>.05). → Tülay Şenel Çoruhlu & Sibel Er Nas 2017 q2 i? There was a significant difference between the post-test scores in favour of the experimental group (U=76.00, p<.05). → Tülay Şenel Çoruhlu & Sibel Er Nas 2017

Evidence

Tülay Şenel Çoruhlu & Sibel Er Nas 2017

Tülay Şenel Çoruhlu & Sibel Er Nas. (2017). The Impact of Guidance Materials on Students' Conceptual Understanding: The Case of "What Is the Earth's Crust Composed of?". Journal of Education and Training Studies, 5(2). https://doi.org/10.11114/jets.v5i2.2169

q2 · i? · causal · r1

Quasi-experimental pre-test-post-test study with a control group; 40 5th-grade students in Trabzon, 20 per group, compared by Mann–Whitney U-test. The article reports "a significant difference between the post test scores" favouring the experiment group, with no significant pre-test difference (U=136,00, p>.05).

"There was a significant difference between the post test scores conducted on experiment and control groups in favour of the experiment group (U=76,00, p<.05)."

Discussion

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