Effectiveness of L2 Instruction: A Research Synthesis and Quantitative Meta-analysis
Upper secondary Adults / lifelong learning Across ages Language learning
Links to claims
Supports (1)
| Claim | Basis |
|---|---|
| C24 | Abstract: 49 studies; explicit > implicit; large focused-instruction gains. |
Review state: first-pass draft, pending human review.
Source note
Syntes: Norris & Ortega (2000) — focused L2 instruction works; explicit beats implicit
Källa: Norris, J. M. & Ortega, L. (2000). Effectiveness of L2 Instruction: A Research Synthesis and Quantitative Meta-analysis. https://doi.org/10.1111/0023-8333.00136
Verified content
- [abstract] 49 unique-sample studies with enough data for effect sizes.
- [abstract] Focused L2 instruction produced large target-oriented gains.
- [abstract] Explicit types of instruction were more effective than implicit types.
- [abstract] Focus on Form and Focus on Forms interventions produced equivalent, large effects; effects appeared durable.
Limits
- Read level: abstract. Numbers only from what was read; do not use for a ledger verdict until full text is checked where marked abstract-only or secondary.
Why it is in the library
Classic meta for a Language-learning candidate on explicit vs implicit L2 instruction (Phase B Near seed).
Added 2026-10-27 by the project (Phase B expansional push). [abstract] = published abstract; [full text] = full text; [assessment] = judgement; [secondary] = secondary summary pending paper check.
Metadata as recorded
- ID
- LANG-003
- Tier
- meta
- Titel
- Effectiveness of L2 Instruction: A Research Synthesis and Quantitative Meta-analysis
- Författare
- Norris, J. M. & Ortega, L.
- År
- 2000 (Language Learning 50(3), 417–528)
- Källa/DOI
- https://doi.org/10.1111/0023-8333.00136
- Typ
- research synthesis and meta-analysis of 49 unique-sample experimental/quasi-experimental L2 instruction studies, 1980–1998
- Åldersgrupp
- gymnasium;vuxen-livslangt;overgripande
- Teman
- sprakinlarning
- Hämtad
- 2026-10-27
- Paywall
- open access (repository copy listed in OpenAlex)
- Verifierad
- Crossref metadata (title, authors, year, venue) checked 2026-10-27
- Tillagd
- Phase B Near/thin seed 2026-10-27; links pending human review
The original files (PDF or abstract) are kept in the project archive and are not published here.