KOIZUMI YUSA 小泉ユサ

… Alternative Names

Koizumi Yusa 小泉ユサ

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Researcher Number	70460029
Other IDs
Affiliation (Current)	2026: 明治学院大学, 教養教育センター, 准教授
Affiliation (based on the past Project Information) *help	2023 – 2024: 明治学院大学, 教養教育センター, 准教授 2020 – 2022: 明治学院大学, 教養教育センター, 講師 2019: 国際基督教大学, 教養学部, 特任講師
Review Section/Research Field	Principal Investigator Basic Section 02100:Foreign language education-related
Keywords	Principal Investigator 第一言語 / 共同ライティング / コミュニケーション活動 / 母語使用 / 第一言語使用 / 第二言語習得

Research Projects
(1 results)
Research Products
(19 results)

Learners' use of Japanese during communication activities for learning EnglishPrincipal Investigator
- Principal Investigator
  
  Koizumi Yusa
- Project Period (FY)
  2019 – 2024
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 02100:Foreign language education-related
- Research Institution
  Meiji Gakuin University
  International Christian University

All 2025 2024 2023 2022 2021 2019

All Journal Article Presentation

[Journal Article] Introducing Dictogloss to Basic-Proficiency EFL Students2024
- Author(s)
  Yusa Koizumi
- Journal Title
  
  明治学院大学教養教育センター紀要「カルチュール」
  
  Volume: 18 Pages: 107-124
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19K13300
[Journal Article] EFL Students' Choice of Language for Individual Conferencing2022
- Author(s)
  Yusa Koizumi, Yoko Kobayashi
- Journal Title
  
  明治学院大学教養教育センター紀要「カルチュール」
  
  Volume: 16 Pages: 67-78
- Open Access
- Data Source
  KAKENHI-PROJECT-19K13300
[Journal Article] Use of L1 in L2 Collaborative Writing: Does It Make Any Difference to the Product or Process?2022
- Author(s)
  Yusa Koizumi
- Journal Title
  
  JACET International Convention Selected Papers
  
  Volume: 8 Pages: 113-142
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19K13300
[Presentation] EFL students’ attentional focus during collaborative writing: The effect of task modification2025
- Author(s)
  Yusa Koizumi
- Organizer
  59th RELC International Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K13300
[Presentation] Dictogloss for Less Proficient Students: Effectiveness of an Introductory Program2024
- Author(s)
  Yusa Koizumi
- Organizer
  43rd Thailand TESOL International Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K13300
[Presentation] Introducing Dictogloss to Lower-Proficiency EFL Students2024
- Author(s)
  Yusa Koizumi
- Organizer
  21st AILA World Congress
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K13300
[Presentation] L1 Use in L2 Collaborative Writing: What We Can Learn from Outliers2024
- Author(s)
  Yusa Koizumi
- Organizer
  Task-Based Language Teaching in Asia 2024
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K13300
[Presentation] L1 use in L2 collaborative writing: What we can learn from outliers2024
- Author(s)
  Yusa Koizumi
- Organizer
  TBLT in Asia 2024
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K13300
[Presentation] Introducing dictogloss to lower-proficiency EFL students2024
- Author(s)
  Yusa Koizumi
- Organizer
  AILA World Congress 2024
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K13300
[Presentation] Modifying Dictogloss for Less Proficient Students2023
- Author(s)
  Yusa Koizumi
- Organizer
  JACET 62nd International Convention
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K13300
[Presentation] Impact of L1 use on the product and process of L2 collaborative writing2022
- Author(s)
  Yusa Koizumi
- Organizer
  The 56th RELC International Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K13300
[Presentation] L1 or L2? EFL Students' Language Choice for Individual Conferences2022
- Author(s)
  Yusa Koizumi, Yoko Kobayashi
- Organizer
  JACET 61st International Convention
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K13300
[Presentation] L1 or L2? EFL Students' Language Choice for Individual Conferences2022
- Author(s)
  Yusa Koizumi, Yoko Kobayashi
- Organizer
  The 61st JACET International Convention
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K13300
[Presentation] Benefits of L2 collaborative writing: How do Japanese EFL students share their L2 knowledge and construct new knowledge while writing together?2021
- Author(s)
  Yusa Koizumi
- Organizer
  The L2 Writing Research Seminar: Advancing Research in L2 Writing and WCF Appropriation in Pen and Paper and Digital Environments
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K13300
[Presentation] Use of L1 in L2 collaborative writing: Does it make any difference to the product or the process?2021
- Author(s)
  Yusa Koizumi
- Organizer
  JACET 60th Commemorative International Convention
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K13300
[Presentation] Use of L1 in L2 Collaborative Writing: Does It Make Any Difference to the Product or the Process?2021
- Author(s)
  Yusa Koizumi
- Organizer
  JACET 60th Commemorative International Convention
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K13300
[Presentation] Benefits of L2 Collaborative Writing: How Do Japanese EFL Students Share Their L2 Knowledge and Construct New Knowledge While Writing Together?2021
- Author(s)
  Yusa Koizumi
- Organizer
  L2 Writing Research Seminar
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K13300
[Presentation] How Do Japanese EFL Learners Discuss Forms While Writing Collaboratively?2019
- Author(s)
  Yusa Koizumi
- Organizer
  55th RELC International Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K13300
[Presentation] Focus on Form During Meaning-Focused Tasks: What Can Teachers Do to Increase the Opportunity?2019
- Author(s)
  Yusa Koizumi
- Organizer
  8th Biennial International Conference on Task-Based Language Teaching
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K13300

KOIZUMI YUSA 小泉 ユサ

Koizumi Yusa 小泉 ユサ

Research Projects

Research Products

Learners' use of Japanese during communication activities for learning EnglishPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

[Journal Article] Introducing Dictogloss to Basic-Proficiency EFL Students2024

Author(s)

Journal Title

Data Source

[Journal Article] EFL Students' Choice of Language for Individual Conferencing2022

Author(s)

Journal Title

Data Source

[Journal Article] Use of L1 in L2 Collaborative Writing: Does It Make Any Difference to the Product or Process?2022

Author(s)

Journal Title

Data Source

[Presentation] EFL students’ attentional focus during collaborative writing: The effect of task modification2025

Author(s)

Organizer

Data Source

[Presentation] Dictogloss for Less Proficient Students: Effectiveness of an Introductory Program2024

Author(s)

Organizer

Data Source

[Presentation] Introducing Dictogloss to Lower-Proficiency EFL Students2024

Author(s)

Organizer

Data Source

[Presentation] L1 Use in L2 Collaborative Writing: What We Can Learn from Outliers2024

Author(s)

Organizer

Data Source

[Presentation] L1 use in L2 collaborative writing: What we can learn from outliers2024

Author(s)

Organizer

Data Source

[Presentation] Introducing dictogloss to lower-proficiency EFL students2024

Author(s)

Organizer

Data Source

[Presentation] Modifying Dictogloss for Less Proficient Students2023

Author(s)

Organizer

Data Source

[Presentation] Impact of L1 use on the product and process of L2 collaborative writing2022

Author(s)

Organizer

Data Source

[Presentation] L1 or L2? EFL Students' Language Choice for Individual Conferences2022

Author(s)

Organizer

Data Source

[Presentation] L1 or L2? EFL Students' Language Choice for Individual Conferences2022

Author(s)

Organizer

Data Source

[Presentation] Benefits of L2 collaborative writing: How do Japanese EFL students share their L2 knowledge and construct new knowledge while writing together?2021

Author(s)

Organizer

Data Source

[Presentation] Use of L1 in L2 collaborative writing: Does it make any difference to the product or the process?2021

Author(s)

Organizer

Data Source

[Presentation] Use of L1 in L2 Collaborative Writing: Does It Make Any Difference to the Product or the Process?2021

Author(s)

Organizer

Data Source

[Presentation] Benefits of L2 Collaborative Writing: How Do Japanese EFL Students Share Their L2 Knowledge and Construct New Knowledge While Writing Together?2021

Author(s)

Organizer

Data Source

[Presentation] How Do Japanese EFL Learners Discuss Forms While Writing Collaboratively?2019

Author(s)

KOIZUMI YUSA 小泉ユサ

Koizumi Yusa 小泉ユサ