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I am assistant professor in the division of Applied Linguistics, Graduate School of International Cultural Studies (GSICS) at Tohoku University in Japan. My research interests include a wide range of topics related to second language (L2) vocabulary acquisition, instruction, and assessment. My research has investigated the following topics: How is L2 spoken vocabulary knowledge acquired? How does different qualities of input (e.g., frequency of exposure, input variability, and mode of input) affect L2 vocabulary learning? What is the relationship between written and spoken vocabulary knowledge? To what extent is vocabulary knowledge associated with L2 speaking proficinecy (e.g., pronunciation, oral fluency, and spoken lexical use)? To what extent is vocabulary knowledge associated with L2 listening comprehension? How is vocabulary learned incidentally and intentionally? How should we measure productive vocabulary knowledge? What is the role of vocabulary learning strategies? How is phraseological knowledge (e.g., collocations) related to L2 speaking proficiency? How does students' vocabulary knowledge affect their academic performance in English-medium instruciton (EMI)?
Contact
Tohoku University
Graduate School of International Cultural Studies (GSICS)
41 Kawauchi, Aoba-ku, Sendai, 980-8576, Japan
Email: takumi[@]tohoku.ac.jp
Twitter: https://twitter.com/takumiuchihara
ResearchGate: https://www.researchgate.net/profile/Takumi-Uchihara-2
ResearchMap: https://researchmap.jp/takumiuchihara
Google Scholar: https://scholar.google.co.jp/citations?user=QAtr94YAAAAJ&hl=ja
Tohoku University
Graduate School of International Cultural Studies (GSICS)
41 Kawauchi, Aoba-ku, Sendai, 980-8576, Japan
Email: takumi[@]tohoku.ac.jp
Twitter: https://twitter.com/takumiuchihara
ResearchGate: https://www.researchgate.net/profile/Takumi-Uchihara-2
ResearchMap: https://researchmap.jp/takumiuchihara
Google Scholar: https://scholar.google.co.jp/citations?user=QAtr94YAAAAJ&hl=ja