Article published In: Journal of Immersion and Content-Based Language Education
Vol. 10:1 (2022) ► pp.5–32
Effects of content-based instruction (CBI) on EFL secondary school learners’ writing
Linguistic and functional aspects
Published online: 22 February 2021
https://doi.org/10.1075/jicb.20006.suz
https://doi.org/10.1075/jicb.20006.suz
Abstract
To investigate the impact of meaning-focused content-based instruction (CBI) and language-focused non-CBI, both
dealing with compare/contrast language, this study compared Japanese secondary school students’ compare/contrast writing on two
topics (i.e., a power generation topic aligned to the CBI and a new topic) in pre-and post-tests. Their writing was analyzed in
terms of complexity, accuracy, fluency, and functional adequacy. The results show that the CBI group improved both linguistic and
functional aspects of the power generation topic, as well as two functional aspects of the new topic. In contrast, the non-CBI
group showed two linguistic changes in the power generation topic, and three linguistic and two functional changes in
the general topic writing. Therefore, CBI may not only serve to improve linguistic and functional aspects on the same topic
writing but also might draw writers’ attention to functional aspects in a new topic.
概要
本研究では、ともに比較対照表現を扱う、意味重視型のcontent-based
instruction(CBI)授業と言語重視型のnon-CBI授業のライティングへの影響を調べた。それぞれの授業を受講した日本人の高校生に2つのトピック(CBIに沿った発電のトピックと新しいトピック)について比較対照を用いる作文を書いてもらい、授業前後で比較した。作文は、複雑さ・正確さ・流暢さ(CAF)、機能的妥当性(functional
adequacy)の観点から分析された。その結果、CBI群では、発電トピックの言語的側面と機能的側面の両方が改善され、新しいトピックの機能的側面も2つ改善されたことが分かった。対照的に、non-CBI群では、発電トピックでは言語的側面が2つ、新しいトピックではCAFのうち3つと機能的側面の2つが改善した。したがって、CBIは、授業で扱ったものと同じトピックのライティングにおける言語的側面と機能的側面の改善に役立つだけでなく、新しいトピックにおける機能的側面に書き手の注意を引くことができるかもしれないと示唆される。
Article outline
- 1.Introduction
- 2.Previous studies
- 2.1Theoretical underpinnings of CBI
- 2.2Writing assessment measures
- 2.3CBI impact on L2 writing skills
- 2.4Impact of content provision as a task variable on L2 writing performance
- 3.Methods
- 3.1Participants
- 3.2CBI and non-CBI lessons
- 3.3Measures and analysis
- 3.3.1Writing data
- 3.3.2Data analysis
- 4.Results
- 4.1Power generation topic writing
- 4.2General topic writing
- 5.Discussion
- 5.1Power generation topic writing
- 5.2General topic writing
- 6.Conclusions and implications
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