What question did this study set out to answer?

This article investigates the impact of teaching International Politics in Japanese followed by English on student understanding.

July 2, 2026Journal of Political Science Education

International Politics in EMI: A Two-Stage L1–L2 Approach in Japan

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Authors

CRChika Y. RosenbaumChukyo University

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Implication

The randomized trial evaluates a two-stage approach to improve comprehension in political science courses in Japan, suggesting benefits of learning in L1 first.

Key Points

This article investigates the impact of teaching International Politics in Japanese followed by English on student understanding.
Evaluated a two-stage instructional model for teaching International Politics in Japanese and then in English.
Utilized survey data from students to assess comprehension across both languages.
Analyzed relationships between first language comprehension and second language learning in the context of active-learning classrooms.
Found a positive relationship between comprehension in Japanese (L1) and English (L2).
Demonstrated that prior content knowledge in L1 significantly aids understanding in L2, regardless of stress and English proficiency.
Indicated that while students experience pressure in demanding tasks, their course understanding is more influenced by previous knowledge than emotional factors.

Cite This Study

Chika Y. Rosenbaum (2026) studied this question.

synapsesocial.com/papers/6a45ff6f9ed134303130fd46 https://doi.org/10.1080/15512169.2026.2696064

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Implication

The randomized trial evaluates a two-stage approach to improve comprehension in political science courses in Japan, suggesting benefits of learning in L1 first.

International Politics in EMI: A Two-Stage L1–L2 Approach in Japan

Discussion

Member takes

Implication

Key Points

Cite This Study

International Politics in EMI: A Two-Stage L1–L2 Approach in Japan

Discussion

Member takes

Implication

Key Points

Cite This Study

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