研究キーワード (1件)：
Second Language Acquisition, Vocabulary Acquisition, Vocabulary Assessment, Pronunciation Learning, TESOL, Applied Linguistics
競争的資金等の研究課題 (2件)：
2022 - 2025 Mapping the spoken vocabulary knowledge of second language (L2) learners of English
2021 - 2023 第二言語音声語彙習得と個人差要因の関係の調査:横断・縦断研究
論文 (21件)：
Stuart Webb, Takumi Uchihara, Akifumi Yanagisawa. How effective is second language incidental vocabulary learning? A meta-analysis. Language Teaching. 2023. 1-20
Kazuya Saito, Takumi Uchihara, Kotaro Takizawa, Yui Suzukida. Individual differences in L2 listening proficiency revisited: Roles of form, meaning, and use aspects of phonological vocabulary knowledge. Studies in Second Language Acquisition. 2023
Takumi Uchihara, Masaki Eguchi, Jon Clenton. The contribution of guessing from context and dictionary use to receptive and productive vocabulary knowledge: A structural equation modeling approach. Language Teaching Research. 2022
Takumi Uchihara, Stuart Webb, Kazuya Saito, Pavel Trofimovich. Frequency of Exposure Influences Accentedness and Comprehensibility in Learners’ Pronunciation of Second Language Words. Language Learning. 2022
Takumi Uchihara. Is it possible to measure word-level comprehensibility and accentedness as independent constructs of pronunciation knowledge?. Research Methods in Applied Linguistics. 2022. 1. 2. 100011-100011
Uchihara. Vocabulary knowledge and self-perceptions: A study of Japanese undergraduates in EMI. English Education [英語教育]. 2018. 67. 6. 68-69
Uchihara, Yanagisawa. Lessons from Western's symposium on teaching and learning vocabulary in another language. Contact. 2017. 67. 6. 68-69
書籍 (4件)：
Building the Self-Efficacy Beliefs of English Language Learners and Teachers New Perspectives for Research, Teaching and Learning
Routledge 2024
The Routledge handbook of materials development for language teaching
Routledge 2022 ISBN:9780815382577
Vocabulary and the four skills : pedagogy, practice, and implications for teaching vocabulary
Routledge 2021 ISBN:9780367249977
Vocabulary and the four skills : pedagogy, practice, and implications for teaching vocabulary
Routledge 2021 ISBN:9780367249977
講演・口頭発表等 (20件)：
How is phonological vocabulary knowledge learned in foreign language?
(Language Research Centre Seminar Series at Swansea University 2023)
Multiword sequences in dialogic task performance across levels of proficiency
(European Second Language Association (EuroSLA) 2023)
Task engagement and comprehensibility development: A longitudinal study of video-mediated intercultural exchange
(Association of American Applied Linguistics Conference (AAAL) 2023)
Defining and testing spoken vocabulary knowledge in second language
(Colloquium Series at Research Center for Language, Brain and Cognition 2023)
