Claims

Traditional vocabulary techniques alone produced no statistically significant pretest-to-posttest gain in the control group

Claim · All claims
Evidence · 1 study · causal r1 · q2
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.

q2 i? The control group, taught via synonym, antonym, definition and mother-tongue translation, showed a non-significant increase from pretest to posttest (P=0.07). → Najafi and Talebinezhad 2018

Evidence

Najafi and Talebinezhad 2018

Maryam Najafi, Mohammad Reza Talebinezhad. (2018). The Impact of Teaching EFL Medical Vocabulary Through Collocations on Vocabulary Retention of EFL Medical Students. Advances in Language and Literary Studies, 9(5). https://doi.org/10.7575/aiac.alls.v.9n.5p.24

q2 · i? · causal · r1

Paired t-test in the control group (n=30) taught by conventional techniques; the paired comparison was not significant (P=0.07). Equivalence was not tested and no effect size is printed.

"in the control group, the mean pretest score was 8.7±6.5, which was increased to 11.1±8.5 after the treatment (P=0.07)"

Discussion

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