Viewing captioned instructional videos does not significantly improve EFL learners' content comprehension compared to viewing without captions.¶
Claim · All claims
Evidence · 1 study · causalr2·q3
Currency · newest study 2014 · 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? There was no statistically significant difference between the experimental and control groups on the content comprehension sub-section of the CST. → BavaHarji 2014
Evidence¶
BavaHarji 2014¶
BavaHarji, M., Alavi, Z. K., & Letchumanan, K. (2014). Captioned Instructional Video: Effects on Content Comprehension, Vocabulary Acquisition and Language Proficiency. English Language Teaching, 7(5). https://doi.org/10.5539/elt.v7n5p1
q3 · i? · causal · r2
In the same study, the content comprehension sub-section of the Content Specific Tests showed no significant difference, "t (90) = -.73, p = .436", with a mean difference of only 1.36 points between the experimental (M = 46.00) and control (M = 44.64) groups.
"there was no signific ant difference for content comprehension ( t (90) = -.73, p = .436), indicating that the experimental group did not out-perform the control group"
Discussion¶
Related Claims¶
- Viewing captioned instructional videos significantly improves EFL learners' overall language proficiency compared to viewing without captions. — related
- Viewing captioned instructional videos significantly improves EFL learners' vocabulary acquisition compared to viewing without captions. — related
- Viewing instructional videos improves EFL learners' language proficiency regardless of whether captions are present. — related
- Full captions significantly improved EFL learners' general listening comprehension from pre-test to post-test — related
- Keyword captions significantly improved EFL learners' general listening comprehension from pre-test to post-test — related
- Providing captions of any type improved general listening comprehension of EFL students compared with no captions — related
- The no-captions control group also improved significantly in listening comprehension over the treatment period — related
- EFL learners perceive captioned instructional videos as helpful for vocabulary acquisition but not as a distraction to comprehension. — related
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