PBL and hybrid PBL improve EFL speaking proficiency, including fluency, grammar, vocabulary, and pronunciation¶
Claim · All claims
Evidence · 1 study · reviewr3·q2
Currency · newest study 2024 · 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? Five reviewed studies report positive impacts of PBL on speaking abilities across multiple sub-skills. → Guo Qian 2024
Evidence¶
Guo Qian 2024¶
Guo Qian, Jamil Halimah, Ismail Lilliati, Luo Shujie, Sun Zhubin. (2024). Effects of problem-based learning on EFL learning: A systematic review. PLOS ONE. https://doi.org/10.1371/journal.pone.0307819
q2 · i? · review · r3
Narrative synthesis of five studies (Studies 7, 16, 20, 22, 26) on speaking fluency, spanning mixed, quasi-experimental, and case-study designs. The review reports improvements in "fluency, grammar, comprehension, vocabulary, confidence level, intonation skills, and pronunciation".
"All three studies reported positive impacts of PBL on speaking abilities, with students demonstrating improvements in fluency, grammar, comprehension, vocabulary, confidence level, intonation skills, and pronunciation."
Discussion¶
Learner Variables¶
- Syntax — outcome: instruction changes it
Related Claims¶
- Lynch and Maclean's carousel task showed immediate repetition benefits in pronunciation, vocabulary and grammar — a narrower finding that bears on this claim
- Immediate task repetition benefits oral performance, including fluency, self-correction and reduced anxiety — related
- PBL, including PBL combined with VR, improves EFL vocabulary acquisition — related
- PBL improves EFL writing proficiency across nine reviewed studies, including essay, paragraph, and descriptive writing — related
- Debate contributed 96.1% to speaking skill achievement, with fluency the largest contributing aspect (67.4%) — related
- The Small Group Activity group outperformed the Individual Activity group on all five measured speaking aspects (vocabulary, fluency, grammar, pronunciation, comprehension) — related
Page metadata
| Field | Value |
|---|---|
status |
review |
generated |
by process:wiki-ingest on 2026-10-31 |
trust |
unverified — no one has confirmed this page's content |
Frontmatter is the page's machine-readable record — see the Schema & Guide.