A1 Refereed original research article in a scientific journal

Examining L1 ability in a Finnish secondary education context: A comparison of CLIL and non-CLIL students’ oral production




AuthorsLaunonen, Peter

PublisherJohn Benjamins Publishing Company

Publishing placeAMSTERDAM

Publication year2025

Journal: Journal of Immersion and Content-Based Language Education

Journal name in sourceJournal of Immersion and Content-Based Language Education

Journal acronymJ IMMERS CONTENT-BAS

Number of pages25

ISSN2212-8433

eISSN2212-8441

DOIhttps://doi.org/10.1075/jicb.24016.lau

Publication's open availability at the time of reportingNo Open Access

Publication channel's open availability Partially Open Access publication channel

Web address https://doi.org/10.1075/jicb.24016.lau

Self-archived copy’s web addresshttps://research.utu.fi/converis/portal/detail/Publication/491823313

Self-archived copy's versionFinal draft


Abstract
This article examines the relationship between L1 ability and CLIL in a lower secondary education context in Finland. In the study, 31 participants responded to a verbal fluency task, a picture-naming task and a survey comprising L1 self-evaluation questions. The results were analysed quantitatively in light of additional variables such as socioeconomic status and L1 grades. The CLIL students outperformed the non-CLIL students in the verbal fluency task, whereas the results of the picture-naming task were not suggestive of group-level differences. Additionally, the CLIL students' picture-naming task results were less reflective of within-group differences than those of the non-CLIL students. This study sheds light on the relationship between CLIL and L1 ability, while highlighting the possible role of CLIL in mitigating the impact of individual differences on L1 ability.

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Last updated on 18/03/2026 11:42:40 AM