青山学院大学教員情報

1.	Ohio University, BA (History)
2.	Miami University, MA (History)
3.	Ball State University, MA (Teaching English as a Foreign Language)
4.	中京大学博士(認知科学)

■ 職歴

1.	1993/04～2008/03	会津大学コンピュータ理工学部, 言語研究センター助教授・准教授
2.	2008/04～2014/03	青山学院大学社会情報学部社会情報学科准教授（専任待遇）
3.	2014/04～2019/03	青山学院大学社会情報学部社会情報学科准教授
4.	2019/04～	青山学院大学社会情報学部社会情報学科教授

■ 所属学会

1.	1993/04～2015/03	Phonetic Society of Japan (PSJ)
2.	1993/04～2016/04	Japan Association of College English Teachers (JACET）
3.	1993/09～2003/03	International Phonetic Association
4.	1993/09～2006/03	Acoustical Society of America
5.	1993/09～2006/03	Acoustical Society of Japan
6.	2007/04～	Japan Association of Language Teachers　(JALT)
7.	2008/04～2012/03	International Association of Teachers of English as a Foreign Language　(IATEFL)
8.	2010/04～	JaltCALL
9.	2011/02～	Moodle Association of Japan (MAJ)
10.	2013/04～	Asian Pacific Association for Computer-Assisted Language Learning (APACALL)
11.	2013/04～	Pacific Association for Computer Assisted Language Learning (PacCALL)
12.	2014/06～	AsiaCALL
13.	2016～	TESOL International Association
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■ 賞

1.	1984	Distinguished Professor 奨学金 (1984-85)
2.	1984	Phi Alpha Theta 優秀成績学生会会員 (1985-86は会長役に勤めた)
3.	1985	Ohio University Distinguished History Award
4.	1986	Evan's Latin Prize (エヴァンのラテン賞)
5.	1986	Phi Beta Kappa (オハイオ州大学最優秀成績賞) (Lambda Chapter)
6.	1991	Kukje High School, Gwangu, South Korea Outstanding Teacher Award
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■ 社会的活動

1.	2017/04～	Journal of the Japanese Association of Educational Psychology (English editor)
2.	2012/07～	Computer Assisted Language Learning (reviewer)
3.	2012～	Journal of the School of Social Informatics (English editor)
4.	2012～	Meiji University STEP English Society Final Speech Contest (judge)
5.	2004	Japan Association of Language Teachers, Pronunciation SIG Newsletter (editor)
6.	2004	University of Aizu, Center for Language Research Annual Review (editor)
7.	2000/04～2001/12	Journal of Phonetics (reviewer)
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■ 委員会・協会等

1.	2019/08～	Eurocall Conference Reviewer
2.	2019～	Emerald Group Publishing Reviewer
3.	2019～	John Wiley & Sons, Inc. Reviewer
4.	2018/08～	The 2nd International Symposium on Applied Phonetics (ISAPh2018) Reviewer
5.	2018/04～	JaltCALL Conference Reviewer
6.	2015/07～2016/07	GLoCALL International Conference Reviewer
7.	2014/04～	大学外国語ラボラトリー委員会 Member
8.	2011/04～2016/03	Aoyama Gakuin English Chat Room 委員会 Member
9.	2008/04～2012/03	国際交流委員会 Member
10.	2008/04～	大学宗教委員会 Member
11.	2000/04～2013/03	International Society of Phonetic Sciences Vice President
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■ 研究業績（著書・論文等）

1.	著書	Exploring the impact of AI on EFL teaching in Japan. In J. Colpaert, & G. Stockwell (Eds.), Smart CALL: Personalization, contextualization, & socialization pp.101-125 （共著） 2022/03
2.	著書	Knowledge, learning, and skills in software systems development (chapter in Enterprise & Business Management book series) Tectum Verlag, Germany,pp.37-107 （共著） 2017
3.	著書	Software engineering　(chapter in Handbook of Curriculum Development, edited by Kattington, L.E). 255-277頁（共著） 2010
4.	著書	Monitoring of emotion to create adaptive game for children with mild autistic (chapter in Computer Analysis of Images and Patterns). 326-333頁（共著） 2007
5.	著書	Pronunciation teaching: Challenges, curricula design, computer aids (chapter in LINCOM Studies in Second Language Teaching; ELT: the Case of Japan). 111-145頁（共著） 2002
6.	著書	Thesis writing handbook (4th edition) （共著） 2002
7.	著書	University of Aizu graduation thesis handbook （共著） 2000
8.	論文	Altering Fish Behavior by Sensing Swarm Patterns of Fish in an Artificial Aquatic Environment Using an Interactive Robotic Fish Sensors 23(3) （共著） 2023/02
9.	論文	Individualized identification training aids in the pronunciation of American English vowels for native speakers of Japanese PROCEEDINGS of the 24th International Congress on Acoustics （共著） 2022/10
10.	論文	Learning English through a Challenge-Based Learning Project during the COVID-19 Pandemic AsiaCALL Online Journal 13(1),pp.122-131 （共著） 2022/01
11.	論文	The Impact of Active Flipped Learning and COIL Before & During the Covid-19 EDULEARN21: 13th International Conference on Education and New Learning Technologies pp.3050-3056 （共著） 2021/07
12.	論文	The Impact of AI in Teaching EFL with Flipped Learning pp.7647-7652 （共著） 2020/07
13.	論文	The Adoption of CEFR at AGU: Developing Language Learner Output Through Mobile Learning Aoyama Information Science 47(1) （共著） 2020/03
14.	論文	The impact of using AI and VR with blended learning on English as a foreign language teaching CALL for widening participation: short papers from EUROCALL 2020 （共著） 2020
15.	論文	Improving the English skills of native Japanese using Artificial Intelligence in a Blended Learning Program CALL and Complexity–Short papers from EUROCALL 2019 pp.327-333 （共著） 2019
16.	論文	Student and instructor attitudes toward CALL and MALL in the L2 classroom Proceedings of the 4th International Conference on Higher Education Advances (HEAd '18) pp.891-898 （共著） 2018/07
17.	論文	The application of constructivism in teaching EFL and worldviews using mobile technologies Proceedings of the XVIIIth International CALL Research Conference (Berkeley, California) （共著） 2017/07
18.	論文	Implications on pedagogy as a result of adopted CALL practices EUROCALL: CALL communities and culture Edited by Salomi Papadima-Sophocleous, Linda Bradley, and Sylvie Thou?sny （共著） 2016
19.	論文	Student and instructor attitudes towards the use of CALL and MALL in L2 classes 山インフォメーション・サイエンス pp.42-53 （共著） 2016
20.	論文	Instructors' attitudes towards CALL and MALL in L2 classrooms pp.458-463 （共著） 2015
21.	論文	Successful EFL teaching using mobile technologies in a flipped classroom 433-438頁（共著） 2015
22.	論文	Impact of a blended environment with m-learning on EFL skills 267-272頁（共著） 2014
23.	論文	Patterns and effectiveness of mobile device usage by Japanese undergraduates for L2 acquisition purposes 284-289頁（共著） 2014
24.	論文	Student and teacher perceptions of computers and mobile devices for foreign language learning 4978-4987頁（共著） 2013
25.	論文	Technology enhanced learning on watching on-line coursera lectures and using TOEIC practice-kit with mobile technologies pp.56-58 （共著） 2013
26.	論文	The effect of blended learning on watching on-line Coursera lectures using mobile technologies Proceedings of the 13th WorldCALL Confererence: Global perspectives on Computer-Assisted Language Learning （共著） 2013
27.	論文	クラウド環境における LMS とモバイルツールを統合利用した英語教育研究: 電子教科書から iUniv を利用した Social Learning まで青山インフォメーション・サイエンス 46-55頁（共著） 2013
28.	論文	Improving the English proficiency of native Japanese via digital storytelling, blogs, and e-mobile technologies 223頁（共著） 2012
29.	論文	Teaching thesis writing to Japanese undergraduates 35-42頁（単著） 2011
30.	論文	The extraction of symbolic postures to transfer social cues into robot pp.147-162 （共著） 2010/01
31.	論文	A signal detection theorem analysis of native Japanese production of American English vowels 青山学院大学紀要「青山社会情報研究」 1-12頁（単著） 2010
32.	論文	Distributed simulator system 大学教職員開発国際論文誌 45-58頁（共著） 2010
33.	論文	Unsupervised approach to acquire robot joint attention. In Autonomous Robots and Agents pp.601-606 （共著） 2009/02
34.	論文	Computer speech visualization for English Pronunciation training 青山学院大学紀要「青山社会情報研究」 pp.43-54 （単著） 2009
35.	論文	The development of an assistive robot for improving the joint attention of autistic children 694-700頁（共著） 2009
36.	論文	How Is Risk Assessed? Proceedings of the 4th International Conference on Project Management (ProMAC2008) 1281-1293頁（共著） 2008
37.	論文	Effects of training with sentences at varied speaking rates on native English speakers’ perception of Japanese vowel length 3169-3169頁（共著） 2006
38.	論文	The Influence of production training on native Japanese pronunciation of American English vowels （共著） 2006
39.	論文	Role of word-external contexts in native speakers’identification of vowel length in Japanese pp.177-200 （共著） 2005/04
40.	論文	The effects of identification training on the identification and production of American English vowels by native speakers of Japanese pp.222-247 （共著） 2005/04
41.	論文	A signal delection theory‐based analysis of American English vowel identification and production performance by native speakers of Japanese 2399-2399頁（共著） 2005
42.	論文	The influence of discrimination training on the ability of native Japanese to identify American English vowels 116-126頁（共著） 2005
43.	論文	A speech analysis software tool for teaching English phonetics to Japanese L2 learners 41-48頁（共著） 2004
44.	論文	Relating to a common perceptual space for American English vowels to multilingual verbal attributes 144-149頁（共著） 2004
45.	論文	Structural representation of perceptual similarity and multilingual verbal attributes; Deriving a common perceptual space for perception of American English vowels by English and Japanese native speakers （共著） 2004
46.	論文	Universal perceptual attributes for perception of American English vowels by English and Japanese native speakers and implications for language typology pp.117-145 （共著） 2003
47.	論文	The influence of identification training on identification and production of the American English mid and low vowels by native speakers of Japanese （共著） 2002/09
48.	論文	The effect of identification training on identification and production of English mid and low vowels by Japanese 75-76頁（共著） 2002
49.	論文	A Brief guide to resources for developing expertise in the teaching of pronunciation pp.63-70 （単著） 2001
50.	論文	Discrimination-based improvement in vowel identification performance depends upon context: Isolated vs. sentence-embedded CVCs 943-948頁（共著） 2001
51.	論文	Identification of English voiceless fricatives by Japanese listeners: The influence of vowel context on sensitivity and response bias pp.334-343 （共著） 2001
52.	論文	Influence of discrimination training on the ability of native Japanese to identify the American English mid and low vowels /ae/, /a/, /uh/, /au/, and /er/ 36-37頁（共著） 2001
53.	論文	The taming of English vowels Shizuoka, Japan （単著） 2001
54.	論文	Teaching thesis writing to Japanese EFL undergraduates in computer science. In T. Orr & K. Cranker (Eds.), Center for Language Research 1999 Annual Review 153-163頁（共著） 2000
55.	論文	Using English Loanwords to Teach English Pronunciation to Japanese 15-19頁（共著） 2000
56.	論文	Individual differences in the acquisition of English fricative distinctions by native speakers of Japanese 129-132頁（共著） 1999/08
57.	論文	A CALL tool for improving second language acquisition of English consonants by Japanese learners pp.137-156 （単著） 1999/04
58.	論文	A network system that enhances computer-assisted instruction for accent reduction, in Advanced Research in Computers and Communications in Education: New Human Abilities for the Networked Society 914-915頁（単著） 1999
59.	論文	The influence of vowel context on the Japanese listener's identification of English voiceless fricatives 1093頁（共著） 1999
60.	論文	Thomas Edison's contributions to the phonetic sciences. In A. Bronstein, J. Ohala & W. Weigel (Eds.), A guide to the history of the phonetic sciences in the United States 87頁（単著） 1999
61.	論文	Developing English pronunciation skills of Japanese learners using computerized instruction pp.45-52 （単著） 1997
62.	論文	Improving Japanese pronunciation of English voiceless stop consonants using electronic visual feedback. In T. Orr (Ed.), Center for Language Research 1996 Annual Review 72-85頁（共著） 1997
63.	論文	Perception of English voiceless fricatives by native speakers of Japanese. In J. Leather and A. James (Eds.), New sounds 97: Proceedings of the Third International Symposium on the Acquisition of Second Language Speech 186-195頁（共著） 1997
64.	論文	Recognition of voiceless fricatives by Japanese L2 learners 127-128頁（共著） 1997
65.	論文	Improving Japanese pronunciation of American English [r] using electronic visual feedback pp.79-97 （共著） 1996
66.	論文	Using electronic visual feedback to teach English segmentals 20,pp.22-28 （単著） 1996
67.	論文	English and Japanese nasal sounds: An acoustic comparison 223-224頁（単著） 1995
68.	論文	F1 frequency and duration of nasal sounds: An experiment with Japanese speakers 319-320頁（単著） 1995
69.	論文	Nasal sounds: A review of articulatory and acoustic properties. In J. Izzo (Ed.), Center for Language Research 1994 Annual Review 62-66頁（単著） 1995
70.	論文	Utilizing acoustical data to improve sound production：An analysis of American and Japanese production of the English fricatives [θ] and [s] pp.376-377 （単著） 1994/09
71.	論文	Acoustical properties of the English voiceless fricatives [th] and [s]: An analysis of American and Japanese production 225-230頁（単著） 1994
72.	その他	The development of an assistive robot as a therapeutic device to enhance the primal imitation skills of autistic children （共著） 2009
73.	その他	Development of a social learning mechanism for a humanoid robot pp.243-248 （共著） 2008/12
74.	その他	Therapeutic tool for develop child nonverbal communication skills through interactive game pp.33 （共著） 2006/11
75.	その他	Peter Ladefoged, Vowels and Consonants: An Introduction to the Sounds of Languages. Oxford: Blackwell Publishers (review) 97-99頁（単著） 2003
76.	その他	A comparison of identification of American English vowels by native speakers of Japanese and English Proceedings of the Phonetic Society of Japan （単著） 2000
77.	その他	English pronunciation courseware project (Tech. Rep. No. 99-05-01; 99-05-02; and 99-05-03) （共著） 1999/07
78.	その他	Exercises in English pronunciation (review) 99-100頁（単著） 1999
79.	その他	Processing interclausal relationships: Studies in the production and comprehension of text (review) 41-42頁（単著） 1999
80.	その他	The crosslinguistic study of language acquisition, Vols. 4 and 5 (review) 42-43頁（単著） 1999
81.	その他	Fifty years in phonetics: Selected Papers (review) 101-102頁（単著） 1998
82.	その他	The roles of intonation in English discourse (review) 100-101頁（単著） 1998
83.	その他	Manual of articulation and phonological disorders: Infancy through adulthood (review) 17頁（単著） 1997
84.	その他	Spectrograph Analysis as a tool in developing L2 pronunciation skills Speak Out pp.32-35 （単著） 1996
85.	その他	Speech perception, production and linguistic structure (review) 235頁（単著） 1996
86.	その他	Phonological structure and phonetic form: Papers in laboratory phonology III (review) 6頁（単著） 1995
87.	その他	The acoustic analysis of speech (review) 15-16頁（単著） 1995
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■ 研究業績（学会発表）

1.	2023/12/06	Identification training adapted to the learner’s vowel space aids in improving native Japanese speakers’ pronunciation of American English vowels（Acoustics 2023 Sydney）
2.	2022/10/24	Individualized identification training aids in the pronunciation of American English vowels for native speakers of Japanese（ICA2022）
3.	2022/07/10	Exploring the impact of AI on EFL teaching in Japan（The XXIst International CALL Research Conference）
4.	2021/06/06	Improving the intercultural and higher order thinking skills of L2 learners through CBL and collaborative online international learning (COIL)（JALTCALL 2021 Conference）
5.	2021/03/12	Introducing the Basics of Xreading for Extensive Reading（Aoyama CALL Workshop 2021）
6.	2021/01/04	Impact of AI and Virtual Learning on Learning Under COVID（Hawaii International Conference on Education）
7.	2020/11/22	Using AI/VR to improve the EFL skills of Japanese（JALT 2020 International Conference）
8.	2020/06/07	Utilizing AI smart speakers to improve the English skills of Japanese university students（JALTCALL 2020 Conference）
9.	2019/11/08	English Media Class Video Project Using Smartphone（JALT 2019 International Conference）
10.	2019/08/30	The Impact of AI on ELT using Flipped Lesson Instruction（The 2019 EUROCALL Conference）
11.	2019/01/18	The Common European Framework of Reference (CEFR) for Languages: Learning, Teaching, and Assessment Fits Asia?（The 39th Thailand TESOL International Conference）
12.	2018/09/29	Student and Teacher Assessment of CALL and MALL（Aoyama CALL Workshop）
13.	2018/07/21	Student and instructor attitudes toward CALL and MALL in the L2 classroom（4th International Conference on Higher Education Advances (HEAd’18)）
14.	2018/06/09	Integrating CEFR with Emerging Language Learning Technologies（JALT CALL 2018 Conference）
15.	2018/01/19	Japanese University Students’ Attitudes to the Use of Mobile Devices in L2 Learning（The 38th Thailand TESOL International Conference）
16.	2017/11/24	The adoption of effective CALL and MALL practices in the L2 classroom（AsiaCALL 2017）
17.	2017/07	Learner-centered English class in a digital world（Thammasat University International ELT Conference “ELT in the Digital Age”）
18.	2017/07	Teacher and student perceptions of adopted CALL practices（Thammasat University International ELT Conference “ELT in the Digital Age”）
19.	2017/07	The application of constructivism in teaching EFL and worldviews using mobile technologies（The XVIIIth International CALL Research Conference）
20.	2017/06	ELT instructor attitudes and practices of CALL and MALL（JALTCALL 2017）
21.	2016/08	Implications on pedagogy as a result of adopted CALL practices（The 2016 EUROCALL Conference）
22.	2015/11	Promises and pitfalls of CALL and MALL technologies in the EFL classroom（The 14th International Conference of AsiaCALL）
23.	2015/10/11	Present and future directions of ICT technologies in foreign language education（ICT and Language Education (Jalt Kyoto)）
24.	2015/08	Successful EFL teaching using mobile technologies in a flipped classroom（The 2015 EUROCALL Conference）
25.	2015/06	Japanese university students’ practices with mobile devices for L2 learning（CAES International Conference: Faces of English）
26.	2014/11	Facebook as a tool to bolster management and learning in the EFL classroom: Boon or bane?（The 13th International Conference of AsiaCALL）
27.	2014/11	Japanese learners’ increasing use of mobile devices for second language acquisition: But do they feel it is worthwhile?（The 13th International Conference of AsiaCALL）
28.	2014/08	Patterns and effectiveness of mobile device usage by Japanese undergraduates for L2 acquisition purposes（The 2014 EUROCALL Conference）
29.	2014/08	TECH Japan (Symposium): Using social media to enhance second language learning（17th World Congress of the International Association of Applied Linguistics）
30.	2013/11	Are mobile technologies impacting EFL classrooms?（The Globalization and Localization in Computer-Assisted Language Learning (GLoCALL) Conference）
31.	2013/03/06	Student and teacher perceptions of computers and mobille devices for foreign language learning（The 7th International Technology, Education and Development Conference　(INTED 2013)）
32.	2012/10	The impact of e-learning and m-learning on tertiary education（Association for the Advancement of Computing in Education (E-Learn 2012))）
33.	2012/08	The use of digital storytelling, blog activities & e-mobile technologies in improving English language proficiency（EuroCALL 2012 (European Association for Computer-Assisted Language Learning））
34.	2012/07	Improving English skills through social media（Aoyama CALL Workshop）
35.	2012/05	A blended learning environment employing mobile devices to improve the English proficiency of native Japanese undergraduates（The 15th International CALL Research Conference）
36.	2012/05	The impact of mobile learning technologies in the foreign language classroom（The 15th International CALL Research Conference）
37.	2012/03	The utilization of digital storytelling & blog activities employing mobile technologies（The 6th International Technology, Education and Development Conference）
38.	2011/01	Cleveland pro baseball: A few deadball stars（The Winter Meeting of the Society for American Baseball Research (Tokyo Chapter)）
39.	2010/07	Using CALL to improve multiple skills of Japanese university students in an English for specific purposes (ESP) program（Aoyama CALL Workshop）
40.	2009/10/11	Therapeutic-assisted robot for children with autism（IEEE/RSJ International Conference on Intelligent Robots and System）
41.	2009/09/05	Computer visualization feedback training: Japanese pronunciation of English /r/（JACET 48th Annual Convention）
42.	2009/06/23	The development of an assistive robot for improving the joint attention of autistic children（The 11th IEEE International Conference on Rehabilitation Robotics, IEEE Computer Society）
43.	2008/12/15	Development of a social learning mechanism for a humanoid robot（The Fourth International Conference on Intelligent Sensors, Sensor Networks and Information Processing (ISSNIP-2008)）
44.	2008/09/17	How is risk assessed?（The 4th International Project Management Conference）
45.	2008/09	Promoting autonomous learning of L2 speech contrasts using spectrographic visual feedback（The 22nd Annual Convention of the Phonetic Society of Japan）
46.	2006	Effects of training with sentences at varied speaking rates on native English speakers’ perception of Japanese vowel length（The Fourth Joint Meeting of the Acoustical Society of America and the Acoustical Society of Japan）
47.	2006	Modeling cognitive structure of emotion for developing a pedagogical agent based interactive game（The 2006 IEEE International Conference on Systems, Man, and Cybernetics）
48.	2006	The Influence of production training on native Japanese pronunciation of American English vowels（The 20th Annual Convention of the Phonetic Society of Japan）
49.	2005	A speech analysis software tool for teaching English phonetics to Japanese L2 learners（The First International Congress of Phoneticians of English. Kochi, Japan）
50.	2005	An SDT-based analysis of AE vowel identification and production performance by native speakers of Japanese（The 149th Meeting of the Acoustical Society of America）
51.	2004	Cross-lingual relation of languages: Using procrustes transformation of perceptual space and factor space of guitar timbres（The International Symposium on Musical Acoustics (ISMA2004)）
52.	2004	Role of a carrier sentence in native speakers' identification of Japanese vowel length（The 147th Meeting of the Acoustical Society of America）
53.	2004	Structural representation of perceptual similarity and multilingual verbal attributes; Deriving a common perceptual space for perception of American English vowels by English and Japanese Native speakers（The 18th International Congress on Acoustics）
54.	2003	Determining the boundaries between Japanese onomatopoetic words（The 17th Annual Convention of the Phonetic Society of Japan）
55.	2003	Teaching segementals with computer aids（The 2003 JaltCALL Conference）
56.	2002/09	The influence of identification training on identification and production of the American English mid and low vowels by native speakers of Japanese（The Seventh International Conference on Spoken Language Processing (ICSLP 2002)）
57.	2002	Pronunciation teaching: Practical suggestions（The Annual JALT Convention (Colloquium)）
58.	2002	The effect of identification training on identification and production of English mid and low vowels by Japanese（The Spring Meeting of the Acoustical Society of Japan）
59.	2001	Discrimination-based improvement in vowel identification performance depends upon context: Isolated vs. sentence-embedded CVCs（The IEEE International Conference on Speech Processing）
60.	2001	Influence of discrimination training on the ability of native Japanese to identify the American English mid and low vowels /ae/, /a/, /uh/, /au/, and /er/（The Annual Meeting of the Cognitive Science Society of Japan）
61.	2000	Directions of pronunciation teaching development（The Annual JALT Convention (Colloquium)）
62.	1999/10	Individual differences in the Japanese perception of English voiceless fricatives（The Meeting of the Acoustical Society of Japan）
63.	1998/03	The uses and limitations of pronunciation technology（The 32nd Annual TESOL International Convention (Colloquium)）
64.	1997/10	Using the Language Media Laboratory (LML) System for pronunciation training（The 1997 Conference of the Tohoku Regional Language Laboratory Association of Japan）
65.	1997/03	The effectiveness of visual feedback in teaching English segmentals（The 31st Annual TESOL International Convention）
66.	1997	Perception of English voiceless fricatives by native speakers of Japanese（The Third International Symposium on the Acquisition of Second Language Speech）
67.	1996/09	Teaching American English [r] to Japanese using visual feedback（The 35th Annual JACET Convention）
68.	1995/06	The pronunciation component of communication: Using a computer visual display as a tool for language acquisition（The 25th Annual Convention of the Communication Association of Japan）
69.	1995/04	Teaching English pronunciation using a computer visual display（The 29th Annual IATEFL International Conference）
70.	1995	English and Japanese nasal sounds: An acoustic comparison（The Spring Meeting of the Acoustical Society of Japan）
71.	1995	F1 frequency and duration of nasal sounds: An experiment with Japanese speakers（The Fall Meeting of the Acoustical Society of Japan）
72.	1994/09	Pronunciation discriminational difficulties within English sounds: An analysis of American and Japanese production of [θ] and [s]（The 33rd Annual JACET Convention）
73.	1994/06	Acoustical properties of the English voiceless fricatives [θ] and [s]: An analysis of American and Japanese production（The Nordic Acoustical Meeting）
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