Haruka Sakai

Last Updated :2025/04/28

Affiliations, Positions
Hiroshima University, Assistant Professor
E-mail
hasakaihiroshima-u.ac.jp
Self-introduction
Based on perspectives from sociolinguistics and interaction analysis, I explore how co-presence is achieved through social interaction and how it shapes vernacular public space in a rural community. 

Basic Information

Major Professional Backgrounds

  • 2025/04, Hiroshima University, Graduate School of Humanities and Social Sciences, Assistant Professor
  • 2023/04, 2025/03, Toyo University, Department of International Culture and Communication Studies, Faculty of Letters, Adjunct Lecturer
  • 2023/04, 2025/03, Tokyo International University, Japanese Language Institute, Lecturer
  • 2024/09, 2024/09, The University of Shiga Prefecture, School of Human Cultures Department of Human Relations Studies, Adjunct Lecturer
  • 2022/10, 2023/03, University of Tsukuba, Faculty of Humanities and Social Sciences, Postdoctoral researcher

Educational Backgrounds

  • University of Tsukuba, Graduate School of Humanities and Social Sciences, Doctoral Program in Literature and Linguistics, 2017/04, 2022/09
  • University of Tsukuba, School of Humanities and Culture, College of Japanese Language and Culture, 2013/04, 2017/03

Academic Degrees

  • Doctor of linguistics, University of Tsukuba
  • Master of linguistics, University of Tsukuba

Research Fields

  • Humanities;Linguistics;Linguistics
  • Humanities;Cultural anthropology;Cultural anthropology
  • Social sciences;Sociology;Sociology

Research Keywords

  • Social Interaction
  • Rural Community
  • Small Talk

Affiliated Academic Societies

  • The Society for Japanese Language Proficiency and Education, 2024
  • International Pragmatics Association, 2024
  • Japan Association of Regional and Community Studies, 2023
  • Association for Japanese Language Education, 2022
  • Japanese Association of Qualitative Psychology, 2021
  • Japanese Teaching Society of Japan, 2019
  • The Japanese Association of Sociolinguistic Sciences., 2018

Research Activities

Academic Papers

  1. Noda-Sentence in University Student Reports Based on Quantitative Research, Journal of Japanese Language Proficiency and Education, 2025
  2. Complex Sentence Use of CLD Children in Apology Discourse : Focusing on Grammatical Constraints in Organizing Discourse Structures, Journal of Japanese Language Proficiency and Education, 2025
  3. ★, Predictability of Encounter and Greeting Practices in Private Grocery Stores, Japanese Journal of Qualitative Psychology, 23(Special), S112-S118, 2024
  4. A Discourse Analytic Study of Conversations in Local Grocery Stores, Doctoral Dissertation in the Graduate School of Humanities and Social Sciences, University of Tsukuba, 202209
  5. ★, Language Use of a Salesclerk and Regular Customers in a Neighborhood Grocery Store: Focusing on Small Talk Following Greetings, The Japanese Journal of Language in Society, 25(1), 166-181, 202209
  6. Online Casual Conversations among University Students in the Early Days of the Pandemic: The Emergence of Bonding through Interaction, The Japanese Journal of Language in Society, 25(1), 102-117, 202209
  7. The Potential of Language Use Analysis in Sports Coaching: Focusing on "Tempo" and "Rhythm" in Football (Soccer), Japanese Journal of Qualitative Psychology, 20(Special), S97-S104, 2021
  8. Problems of students' reports focused on sentence-final modality forms: A corpus-based study of their actual use, kokugokakyouiku, 88(0), 21-29, 202009
  9. A Corpus Study into the Repetitive Use of Adversative Conjunctions, 139-159, 201703

Publications such as books

  1. 2023/12/14, Navigating Friendships in Interaction: Discursive and Ethnographic Perspectives, Routledge, 2023, 2023, Scholarly Book, Contributor, Cade Bushnell; Stephen J. Moody, 9781003381426, 280

Invited Lecture, Oral Presentation, Poster Presentation

  1. Growing Students into Kanji Writers: Interaction in Online Japanese Lessons for Japanese as a Second Language (JSL) Children, Haruka Sakai, 19th International Pragmatics Conference, 2025/06, Without Invitation, English, International Pragmatics Association, Brisbane, Australia
  2. Interaction between the Rural Elderly at a Mobile Supermarket: The Organization of Co-presence during Examining Items, Haruka Sakai Rui Sakaida, 2024/09/10
  3. Extending Closings Through See-off Practices in Face-to-Face Apparel Service Encounter, Haruka Sakai, 2024/02/29
  4. The Function of "Background" in Online Casual Conversation: An Interactional Analysis of the Construction of Shared "Space", Haruka Sakai; Ayumi Inouchi, Technical Committee on Human Communication Science (HCS) , The Institute of Electronics, Information and Communication Engineers (IEICE), 2020/08/22

Awards

  1. 2023/03, Best Dissertation Award, Graduate School of Humanities and Social Sciences, University of Tsukuba
  2. 2022/03, Presentation Award, The Japanese Association of Sociolinguistic Sciences

External Funds

Acceptance Results of Competitive Funds

  1. 2025/04, 2029/03
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  2. 2022/06, 2027/03
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  3. 2022/04/01, 2026/03/31
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  4. 2023/04, 2024/03
  5. 2021/10, 2022/03