Syntes: Goo, Granena, Yilmaz & Novella (2015) — explicit L2 instruction still more effective than implicit in an update of Norris & Ortega

Källa: Goo, J., Granena, G., Yilmaz, Y. & Novella, M. (2015). Implicit and explicit instruction in L2 learning: Norris & Ortega (2000) revisited and updated. Implicit and Explicit Learning of Languages (Studies in Bilingualism), 443–482, John Benjamins. https://doi.org/10.1075/sibil.48.18goo

Verified content

• [abstract] 34 unique-sample studies that each compared explicit and implicit instructional treatments: 11 from Norris & Ortega (2000) and 23 new studies published between 1999 and 2011.
• [abstract] "Overall, explicit instruction was found to have been more effective than implicit instruction."
• [abstract] Moderators of implicit and explicit instruction were also analysed; the authors discuss the results against Norris & Ortega (2000).

Limits

• [assessment] Abstract only; the chapter is closed. No effect sizes, confidence intervals or delayed-test splits appear in the abstract.

Why it is in the library

The direct update of Norris & Ortega (2000), one of C24's two seed metas: it adds 23 later head-to-head studies and still finds explicit instruction more effective. A counterweight to Kang, Sok & Han (2019) until both full texts can be read.

Added 2026-11-08 by the project (weekly source sweep, kind: old (major review); read: abstract). [abstract] = from the published abstract; [full text] = read in the full text; [assessment] = the project's own assessment.