Watching BBC World clips without English subtitles also improved intermediate EFL learners' vocabulary development relative to no treatment¶
Claim · All claims
Evidence · 1 study · causalr2·q2
Currency · newest study 2016 · 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 no-subtitle experimental group's posttest mean (34.9) exceeded the control group's (30.0), leading the authors to reject the null hypothesis for Q2. → Sirmandi and Sardareh 2016
Evidence¶
Sirmandi and Sardareh 2016¶
Effat Heidari Sirmandi, Sedigheh Abbasnasab Sardareh. (2016). The Effect of BBC World Clips With and Without Subtitles on Intermediate EFL Learners' Vocabulary Development. Malaysian Online Journal of Educational Sciences. https://eric.ed.gov/?id=EJ1116325
q2 · i? · causal · r2
In the same three-group experiment, the unsubtitled group improved from a pretest mean of 18.5 to a posttest mean of 34.9 while the control reached 30.0; the article reports the no-subtitle hypothesis "Is rejected". No effect size is printed.
"Regarding the presented information on pre and posttest of the unsubtitled group in Table 1 and 2, it revealed that the second research hypothesis "Watching BBC World clips without English subtitles have no significant impact on Intermediate Iranian EFL learners' vocabulary development." Is rejected."
Discussion¶
Related Claims¶
- Intermediate EFL learners who watched BBC World clips with bimodal English subtitles significantly outperformed the no-subtitle and control groups on a vocabulary posttest — related
- One-way ANOVA on posttest scores showed a statistically significant difference among the subtitle, no-subtitle, and control groups (F = 84.161, Sig. = .000) — a broader claim this one bears on
- The three groups did not differ significantly in vocabulary knowledge at pretest, supporting group homogeneity — related
- Watching cartoons with English subtitles produces no statistically significant vocabulary-gain advantage over watching without subtitles among upper-intermediate ELT students — related
- Vocabulary improvement occurred incidentally regardless of subtitles, attributed to target words being contextualized in the cartoons — related
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