Claims

The task-based cognitive-approach programme produced a significantly higher PET speaking post-test score than regular instruction, with a large effect size

Claim · All claims
Evidence · 1 study · causal r1 · q3 · i3 large
Currency · newest study 2015 · 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 i3 Experimental-group students exposed to the proposed task-based programme scored significantly higher than control-group students receiving regular instruction on the PET speaking post-test (eta squared = 0.64). → Mohammad Mohammadipour & Sabariah MD Rashid 2015

Evidence

Mohammad Mohammadipour & Sabariah MD Rashid 2015

Mohammad Mohammadipour & Sabariah MD Rashid. (2015). The Impact of Task-Based Instruction Program on Fostering ESL Learners' Speaking Ability: A Cognitive Approach. Advances in Language and Literary Studies, 6(2). https://doi.org/10.7575/aiac.alls.v.6n.2p.113

q3 · i3 · causal · r1

Independent-samples t-test on PET speaking post-test scores of 36 experimental and 36 control students after an eleven-week treatment. The article reports t (70) = -11.34, p= 0.00 and the printed effect size eta squared = 0.64, described as a very large difference favouring the experimental group.

"There was significance difference in scores for control ( M = 13.52 , SD = 2.0) and experimental group, M = 19.19, SD = 2.22; t (70) = -11.34, p= 0.00 (two-tailed). The magnitude of difference in the means was very large (eta squared = 0.64)."

Discussion

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