Claims

Group dynamics-oriented instruction significantly improves Iranian EFL learners' speaking ability

Claim · All claims
Evidence · 1 study · causal r2 · q2 · i3 large
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 i3 After controlling for pretest speaking scores, the GDOI group significantly outperformed the control group on the posttest of speaking ability (partial η² = .773). → Mohsen Alikhani & Esmaeil Bagheridoust 2017

Evidence

Mohsen Alikhani & Esmaeil Bagheridoust 2017

Mohsen Alikhani & Esmaeil Bagheridoust. (2017). The Effect of Group Dynamics-Oriented Instruction on Developing Iranian EFL Learners' Speaking Ability and Willingness to Communicate. English Language Teaching, 10(11). https://doi.org/10.5539/elt.v10n11p44

q2 · i3 · causal · r2

One-way ANCOVA on posttest speaking ability (PET-based, CEF rubrics) with pretest as covariate. Experimental mean was 24.92 versus 19.13 for control; the article reports "partial η2 = .773 representing a large effect size".

"The results of one-way ANCOV A (F (1, 104) = 211.02, p = .000, partial η2 = .773 representing a large effect size) (Table 14) indicated that the experimental group significantly outperformed the control group on the posttest of SA after controlling for the possible effect of the pretes t."

Discussion

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