Instructional video materials significantly improve vocabulary learning of Iranian EFL learners compared with no video treatment¶
Claim · All claims
Evidence · 1 study · causalr1·q3
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.
q3 i? Learners taught with instructional video materials scored significantly higher on a researcher-made vocabulary posttest than control learners taught by input-based instruction with mechanical drills. → Isazadeh 2016
Evidence¶
Isazadeh 2016¶
Isazadeh, P., Makui, S. M. Z., & Ansarian, L. (2016). Effect of Instructional vs. Authentic Video Materials on Introvert and Extrovert Iranian EFL Learners' Vocabulary Learning. International Journal of Education & Literacy Studies, 4(4). https://doi.org/10.7575/aiac.ijels.v.4n.4p.1
q3 · i? · causal · r1
Independent samples t-test comparing the two instructional-video groups (combined) against the control group after 10 treatment sessions of 45 minutes each. The instructional-video groups scored "M = 20.72, SD = 3.411" versus the control's 17.40, t(48) = 3.988, p < .0005.
"the scores were significantly higher for experimental groups (combination of groups 3 and 4) ( M = 20.72, SD = 3.411) than for control group ( M = 17.40, SD = 2.778), t (48) = 3.988, p< .0005"
Discussion¶
Related Claims¶
- Authentic video materials significantly improve vocabulary learning of Iranian EFL learners compared with no video treatment — related
- Meaning-focused listening input significantly enhances productive vocabulary size of Iranian intermediate EFL learners compared with traditional instruction — related
- Teaching vocabulary through TMM software produced significantly higher post-test vocabulary scores than conventional instruction in Iranian intermediate EFL learners — related
- Authentic problem-based vocabulary tasks improve immediate vocabulary recall of intermediate Iranian EFL learners compared with conventional input-based tasks — related
- Multimedia glosses improve EFL students' immediate vocabulary acquisition relative to reading the same texts without glosses — related
- Intermediate EFL learners taught vocabulary through online Wikipedia texts outperformed learners taught with printed Wikipedia handouts on a researcher-made vocabulary posttest — related
- Introvert Iranian EFL learners benefit more from authentic than from instructional video materials — related
- Extrovert Iranian EFL learners learn vocabulary similarly from instructional and authentic video materials — related
Page metadata
| Field | Value |
|---|---|
status |
review |
generated |
by process:wiki-ingest on 2026-11-03 |
trust |
unverified — no one has confirmed this page's content |
Frontmatter is the page's machine-readable record — see the Schema & Guide.