Kakeru Yazawa

Profile Information

Affiliation: Assistant Professor, Institutes of Humanities and Social Sciences, University of Tsukuba
: Guest Researcher, Institute of Language and Speech Science, Waseda University
: (Concurrent)Adjunct Lecturer, School of International Liberal Studies

Degree: PhD(Mar, 2020, Graduate School of International Culture and Communication Studies, Waseda University)
MA(Mar, 2016, Graduate School of International Culture and Communication Studies, Waseda University)
BA(Mar, 2014, School of International Liberal Studies, Waseda University)

J-GLOBAL ID: 201901004020308720
researchmap Member ID: B000352477

Research Interests

Research Areas

Research History

Sep, 2021 - Present

Adjunct Lecturer, School of International Liberal Studies, Waseda University
May, 2021 - Present

Assistant Professor (tenure-track), Faculty of Humanities and Social Sciences, University of Tsukuba
Mar, 2021 - Present

Adjunct Researcher, Institute of Language and Speech Science, Waseda University
Aug, 2020 - Mar, 2023

Adjunct Researcher, Laboratory for Language Development, RIKEN
Sep, 2020 - Mar, 2021

Assistant Professor (non-tenured), School of International Liberal Studies, Waseda University
Apr, 2020 - Mar, 2021

Part-time Lecturer, Faculty of Letters, Hosei University
Apr, 2019 - Aug, 2020

Research Associate, School of International Liberal Studies, Waseda University
Apr, 2018 - Mar, 2019

Research Fellow (DC2), Japan Society for the Promotion of Science
Jan, 2014 - Mar, 2019

Part-time Research Assistant, Laboratory for Language Development, RIKEN
Nov, 2017 - Mar, 2018

Guest Researcher, The MARCS Institute, Western Sydney University

Education

Apr, 2016 - Mar, 2020

PhD, Graduate School of International Culture and Communication Studies, Waseda University
Apr, 2014 - Mar, 2016

MA, Graduate School of International Culture and Communication Studies, Waseda Univeristy
Apr, 2010 - Mar, 2014

BA, School of International Liberal Studies, Waseda Univeristy
Aug, 2011 - Aug, 2012

Visiting Student Certificate Program, University of Alberta

Committee Memberships

Apr, 2022 - Present

International Exchange Committee, The Phonetic Society of Japan
Jun, 2021 - Present

Review Editor, Frontiers in Psychology
Apr, 2019 - Aug, 2019

Local Organizing Committee Member, New Sounds 2019

Awards

Nov, 2023

Young Faculty Encouragement Award (Dean's Award), Institutes of Humanities and Social Sciences, University of Tsukuba
Oct, 2015

Oriental COCOSDA 2015 Best Student Oral Paper Award

Kakeru Yazawa

Papers

Australian English listeners’ perception of Japanese vowel length reveals underlying phonological knowledge

Kakeru Yazawa, James Whang, Paola Escudero

Frontiers in Psychology, 14 1-14, Oct, 2023 Peer-reviewedLead authorCorresponding author
An evaluation of the phonetic balance of the Harvard-NGSL sentences

Kakeru Yazawa

Proceedings of the 37th General Meeting of the Phonetic Society of Japan, 108-113, Sep, 2023 Lead authorCorresponding author
Modeling a phonotactic approach to segment recovery: The case of Japanese high vowels

James Whang, Kakeru Yazawa

Studies in phonetics, phonology and morphology, 29(2) 271-295, Sep, 2023 Peer-reviewedLast author
L2 proficiency predicts L1 accentedness and comprehensibility

Kakeru Yazawa, Rubén Pérez-Ramón, Mariko Kondo

Proceedings of the 20th International Congress of Phonetic Sciences, 2840-2844, Aug, 2023 Peer-reviewedLead authorCorresponding author
Spectral and temporal implementation of Japanese speakers’ English vowel categories: A corpus-based study

Kakeru Yazawa, Takayuki Konishi, James Whang, Paola Escudero, Mariko Kondo

Laboratory Phonology, 14(1) 1-33, Mar, 2023 Peer-reviewedLead authorCorresponding author
Annotating second language learner speech: Reflecting on the development of the J-AESOP corpus

Kakeru Yazawa

Journal of the Phonetic Society of Japan, 26(3) 111-123, Dec, 2022 Peer-reviewedLead authorCorresponding author
Harvard-NGSL sentences for English learner speech corpora

Kakeru Yazawa

Proceedings of the 25th Oriental COCOSDA, 84-88, Nov, 2022 Peer-reviewedLead authorCorresponding author
A comparison of rhythm metrics for L2 speech

Kakeru Yazawa, Mariko Kondo

Proceedings of the 11th International Conference on Speech Prosody, 332-336, May, 2022 Peer-reviewedLead authorCorresponding author
Transfer of incomplete neutralization: A case of /ei/ and /ou/ in Japanese

Kakeru Yazawa

Second Language, 20 47-59, Apr, 2022 Peer-reviewedLead authorCorresponding author
Prosodic manifestation of question tags in Japanese speakers’ English

Kakeru Yazawa

Tsukuba English Studies, 40 41-50, Mar, 2022 Peer-reviewedLead authorCorresponding author
Investigating vowel productions with Japanese-English speech corpus

Kakeru Yazawa

Proceedings of Data Science in Collaboration, 5 9-18, Feb, 2022 InvitedLead authorCorresponding author
L1 phonetic drift in vowel production by Japanese learners of English

Kakeru Yazawa

Proceedings of the 35th General Meeting of the Phonetic Society of Japan, 113-118, Sep, 2021 Lead authorCorresponding author
Language-dependent cue weighting: An investigation of perception modes in L2 learning

Kakeru Yazawa, James Whang, Mariko Kondo, Paola Escudero

Second Language Research, 36(4) 557-581, Oct, 2020 Peer-reviewedLead authorCorresponding author
Transferred lengthening of /ei/ and /ou/ in Japanese speakers’ English

Kakeru Yazawa

Proceedings of the 34th General Meeting of the Phonetic Society of Japan, 50-55, Sep, 2020 Lead authorCorresponding author
Testing Second Language Linguistic Perception: A case study of Japanese, American English, and Australian English vowels

Kakeru Yazawa

Waseda University Repository, 1-287, Mar, 2020 Lead authorCorresponding author
Acoustic characteristics of Japanese short and long vowels: Formant displacement effect revisited

Kakeru Yazawa, Mariko Kondo

Proceedings of the 19th International Congress of Phonetic Sciences, 671-675, Aug, 2019 Peer-reviewedLead authorCorresponding author
Perception of Japanese vowel length by Australian English listeners

James Whang, Kakeru Yazawa, Paola Escudero

Proceedings of the 19th International Congress of Phonetic Sciences, 2228-2232, Aug, 2019 Peer-reviewed
Phonemic and featural modeling of new L2 sound acquisition

Kakeru Yazawa

Proceedings of HISPhonCog 2019, 91-92, May, 2019 Peer-reviewedLead authorCorresponding author
Effects of phrase-final lengthening on English speakers' manifestation of lexical accent in Japanese

Kakeru Yazawa, Mariko Kondo

Proceedings of GALA 2017: Language Processing and Development, 469-482, Jan, 2019 Peer-reviewedLead authorCorresponding author
Acquisition of English high front vowels /iː, ɪ/ by native Japanese speakers

Kakeru Yazawa, Takayuki Konishi, Mariko Kondo

Proceedings of the 32nd General Meeting of the Phonetic Society of Japan, 173-178, Sep, 2018 Lead authorCorresponding author

Presentations

Bidirectional influences between L1 accentedness/comprehensibility and L2 proficiency

Kakeru Yazawa

International workshop on speech assessment and native and non-native linguistic variation: Trends and methods, Oct 6, 2023 Invited
An evaluation of the phonetic balance of the Harvard-NGSL sentences

Kakeru Yazawa

The 37th General Meeting of the Phonetic Society of Japan, Sep 17, 2023
L2 proficiency predicts L1 accentedness and comprehensibility

Kakeru Yazawa

ICPhS 2023, Aug 9, 2023
Harvard-NGLS sentences for English learner speech corpora

Kakeru Yazawa

O-COCOSDA 2022, Nov 24, 2022
Investigating vowel productions with Japanese-English speech corpus

Kakeru Yazawa

DaSiC 5, Jan 20, 2022 Invited
L1 phonetic drift in vowel production by Japanese learners of English

Kakeru Yazawa

The 35th General Meeting of the Phonetic Society of Japan, Sep 26, 2021
Transfer of phonological neutralization: A case of /ei/ and /ou/ in Japanese

Kakeru Yazawa

J-SLA 2020, Mar 27, 2021
Transferred lengthening of /ei/ and /ou/ in Japanese speakers’ English

Kakeru Yazawa

The 34th General Meeting of the Phonetic Society of Japan, Sep 27, 2020
A feature-based account of new L2 category formation

Kakeru Yazawa

New Sounds 2019, Sep 1, 2019
Acoustic characteristics of Japanese short and long vowels: Formant displacement effect revisited

Kakeru Yazawa

ICPhS 2019, Aug 6, 2019
Perception of Japanese vowel length by Australian English listeners

Kakeru Yazawa

ICPhS 2019, Aug 5, 2019
Phonemic and featural modeling of new L2 sound acquisition

Kakeru Yazawa

HISPhonCog 2019, May 24, 2019
Developmental paths of English high vowel production by Japanese speakers

Kakeru Yazawa

ICPEAL 17 - CLDC 9, Oct 19, 2018
Acquisition of English high front vowels /i:, I/ by native Japanese speakers

Kakeru Yazawa

The 32nd General Meeting of the Phonetic Society of Japan, Sep 15, 2018
Using the J-AESOP L2 English speech corpus: A case study of the acquisition of English /i:/-/I/ by Japanese speakers

Kakeru Yazawa

J-SLA 2018, Jun 16, 2018
Predicting Australian English speakers’ perception of unfamiliar Japanese vowels

Kakeru Yazawa

CoEDL Fest 2018, Feb 5, 2018
Effects of phrase-final lengthening on English speakers’ manifestation of lexical accent in Japanese

Kakeru Yazawa

GALA 2017, Sep 9, 2017
Modelling Japanese speakers’ perceptual learning of English /iː/ and /ɪ/ within the L2LP framework

Kakeru Yazawa

PTLC 2017, Aug 10, 2017
The role of input frequency in L2 speech perception

Kakeru Yazawa

J-SLA 2017, Jun 3, 2017
Acoustic realization of down- step in English speakers’ Japanese

Kakeru Yazawa

The 30th General Meeting of the Phonetic Society of Japan, Sep 18, 2016

Teaching Experience

Apr, 2023 - Present

Studies in Foreign Language Education (University of Tsukuba)
Apr, 2022 - Present

Graduation Thesis (English Linguistics) (University of Tsukuba)
Apr, 2022 - Present

Studies in English Linguistics (University of Tsukuba)
Oct, 2021 - Present

Project Practice (University of Tsukuba)
Oct, 2021 - Present

Project Seminar (University of Tsukuba)
Oct, 2021 - Present

English Phonology and Morphology (University of Tsukuba)
Sep, 2020 - Present

First Year Seminar A (Waseda University)
Sep, 2020 - Present

First Year Seminar B (Waseda University)
Oct, 2022 - Mar, 2024

Phonetics and Phonology (Waseda University)
Apr, 2023 - Sep, 2023

Acoustic and Auditory Phonetics (Waseda University)
Apr, 2022 - Jun, 2022

First Year Seminar (University of Tsukuba)
Apr, 2020 - Mar, 2021

English Phonetics (Hosei University)
Apr, 2020 - Mar, 2021

Seminar in Linguistics (Hosei University)

Professional Memberships

- Present

Tsukuba English Linguistic Society
- Present

The Japan Second Language Association
- Present

The Phonetic Society of Japan
- Present

International Phonetic Association

Research Projects

Building pre- and post-study abroad speech database of Japanese speakers' English

Grant-in-Aid for Early-Career Scientists, Japan Society for the Promotion of Science, Apr, 2022 - Mar, 2027

Kakeru Yazawa
Mechanisms for comprehending different English accents: Focus on Asian and African varieties

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B), Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2021 - Mar, 2025

Mariko Kondo, Sylvain Detey, Kakeru Yazawa, Miki Ikoma, Shigeaki Amano
Corpus-based investigation of L1 phonetic drift and L2 proficiency

Grant-in-Aid for Early-Career Scientists, Japan Society for the Promotion of Science, Apr, 2020 - Mar, 2024

Kakeru Yazawa
L2LP-based modeling of the perception of second language and foreign accented speech

Grant-in-Aid for JSPS Fellows, Japan Society for the Promotion of Science, Apr, 2018 - Mar, 2020

Kakeru Yazawa
Computational modeling of native and non-native perception of foreign-accented speech

JSPS Overseas Challenge Program for Young Researchers, JSPS Overseas Challenge Program for Young Researchers, Japan Society for the Promotion of Science, Nov, 2017 - Mar, 2018

Kakeru Yazawa

Profile Information

Research Interests

Research Areas

Research History

Education

Committee Memberships

Awards

Papers

Presentations

Teaching Experience

Professional Memberships

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