Profile

Photo of Ryuhei Mizoguchi

I am a PhD student in the Graduate School of Education at Waseda University, Japan.

Research Overview

My research is broadly situated in the field of language assessment and testing.

I am particularly interested in language assessment literacy, speaking assessment, rater training, argument-based validation, assessing topical knowledge together with language ability, and AI-mediated language assessment.

Dissertation

Master's Thesis

2024. Exploring Language Assessment Literacy Dimensions of Teachers in Japan: A Mixed Methods Study.

Supervisor: Prof. Yasuyo Sawaki

Bachelor's Thesis

2022. Language Assessment Literacy of Pre-service and In-service Teachers in Japan: The Replication Study of Vogt and Tsagari (2014).

Supervisor: Prof. Yutaka Ishii

Education

2024 – Present
PhD Student, Graduate School of Education, Waseda University, Japan
2022 – 2024
MA in Education, Graduate School of Education, Waseda University, Japan
2018 – 2022
BA in Education, Chiba University, Japan

Work Experience

October 2025 – Present
Research Intern, Equmenopolis, Inc.
April 2025 – Present
Part-time Lecturer, Tokyo Future University
Course: Teaching English to Young Learners
April 2023 – Present
Part-time English Teacher, Waseda University Senior High School and Junior High School
October 2022 – December 2022
Teaching Assistant, Faculty of Education, Waseda University
Course: Language Assessment for Classroom Teachers

Professional Activities

July 2025 – Present
Public Relations Officer, Student Committee, Asian Association for Language Assessment (AALA)
July 2024 – June 2025
Student Committee Member, Asian Association for Language Assessment (AALA)

Research Grants

2025 EIKEN Research Grant

Principal Investigator, 38th EIKEN Research Grant.

Speaking Assessment in High School CLIL Classes: Rubric Development with Content Knowledge and Language Knowledge as Constructs.

Co-researchers: Chiho Young-Johnson and Daisuke Izumi

Teaching Licenses

Professional Memberships

Personal

I am originally from Katori City, Chiba, Japan. My hometown is known for the Sawara Grand Festival.