Claims

The three groups did not differ in prior achievement before the Force and Motion intervention

Claim · All claims
Evidence · 1 study · causal r1 · q2
Currency · newest study 2017 · 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? A Kruskal-Wallis H test on pre-test scores found no statistically significant difference among EG1, EG2 and CG at p < 0.05, supporting group homogeneity. → Sabriye Seven 2017

Evidence

Sabriye Seven 2017

Sabriye Seven, Asiye Pinar Koksal, Gulsen Kocak. (2017). The Effect of Carrying out Writing to Learn Activities on Academic Success of Fifth Grade Students in Secondary School on the Subject of "Force and Motion". Universal Journal of Educational Research 5(5): 744-749. https://doi.org/10.13189/ujer.2017.050506

q2 · i? · causal · r1

Kruskal-Wallis H test of pre-test scores across the three groups (EG1 N = 11, mean rank 24.50; EG2 N = 19, mean rank 22.29; CG N = 20, mean rank 29.10), yielding χ2 = 2.223 and p = .329, described as "no statistically significant difference between the groups".

"When Table 6 is examined, it is observed that there is no statistically significant difference between the groups at a significance level of p < 0.05."

Discussion

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