7. 出所は Chujo K. & M. Genung. Utilizing the British National Corpus to Analyze TOEIC Tests: The Quantification of Vocabulary-Usage Levels and the Extraction of Characteristically Used Words 他
Foreword to David Barker’s Learning English Vocabulary (BTB Press)
How many words per lesson can learners reasonably expect to learn? On his website, Rob Waring says about 30–40 words per hour and O’Dell and McCarthy suggest around 15–18 words per one hour unit/ lesson as a realistic target.
What constitutes a basic spoken vocabulary?
出所は Chujo K. & M. Genung. Utilizing the British National Corpus to Analyze TOEIC Tests: The Quantification of Vocabulary-Usage Levels and the Extraction of Characteristically Used Words 他
2008 年の5月に発表している「アジア各国と日本の英語教科書比較」; Charles Browne, Japanese HIgh School Textbooks: Help or Hindrance? 教科書の 58% が難語で、 anemone 27708 、 hearth 12975 (J8) 、 syncopate 86800 の圏外
Charles Browne, Japanese High School Textbooks: How Readable Are They?; Measuring Vocabulary via Online Technology
Taeko Koya "A Comparison of Verb-Noun Collocations Collected from Revised High School English Textbooks in Japan (早稲田大学大学院教育学研究科紀要別冊 11 号 -2 2004 年3月)