Tokyo Denki University · Division of English Language Education · 教授

Research keywordsvocabulary size assessment・EFL vocabulary knowledge・affix knowledge tests・dictionary use in reading・online vocabulary testing・word difficulty estimation・reading comprehension retention・Japanese EFL learners

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• Identifying the Minimum Vocabulary Size for Academic Reading
• Productive Affix Knowledge and its Relationship With Known Words
• Testing the reliability of the New General Service List Test (NGSLT) in order to better evaluate Japanese university students' written receptive vocabulary levels
• 小学校周辺で児童が見かけるアルファベット風景

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