WSDC debate instruction significantly improved tenth-grade EFL students' speaking skill achievement within the experimental group¶
Claim · All claims
Evidence · 1 study · causalr2·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? The experimental group's speaking skill mean rose significantly from pretest to posttest after the debate treatment. → Iman 2017
Evidence¶
Iman 2017¶
Iman, J. N. (2017). Debate Instruction in EFL Classroom: Impacts on the Critical Thinking and Speaking Skill. International Journal of Instruction, 10(4), 87-108. https://doi.org/10.12973/iji.2017.1046a
q2 · i? · causal · r2
Paired sample t-test within the experimental group (n = 24) of the quasi-experimental study, speaking measured with SOLOM. The article reports a mean difference of "5.7083" and t-obtained 30.020 (p<0.000); no effect size is printed.
"the mean difference of speaking skill achievement between pre -test and post-test in experimental group was 5.7083 with the standard deviation was 0.9315, and t -obtained was 30.020 (p<0.000)"
Discussion¶
Related Claims¶
- Students taught with WSDC debate significantly outperformed control students on both critical thinking and speaking posttests — a broader claim this one bears on
- WSDC debate instruction significantly improved tenth-grade EFL students' critical thinking achievement within the experimental group — related
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