Claims

The control group showed no significant change in speaking fluency from pre-test to post-test

Claim · All claims
Evidence · 1 study · causal r2 · q3
Currency · newest study 2018 · 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 i? The control group's mean fluency score did not change significantly (10.300 pre-test vs 10.047 post-test). → Mohammadi 2018

Evidence

Mohammadi 2018

Mohammadi, M., & Enayati, B. (2018). The Effects of Lexical Chunks Teaching on EFL Intermediate Learners’ Speaking Fluency. International Journal of Instruction, 11(3), 179-192. https://doi.org/10.12973/iji.2018.11313a

q3 · i? · causal · r2

Paired-samples analysis of the control group (N = 30), taught Headway 3 via grammar-translation with no chunk instruction: paired difference mean .2533, t = .581, df = 29, Sig. (2-tailed) = .566, which the article notes is "more than 0.05".

"The results of applying paired samples t -test for comparing the means of the control group learners’ pre-test and post-test scores indicated that there were not significant differences between the performance of the learners in pre -test and post-test."

Discussion

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