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Research on the effects of extensive reading on the reading fluency and the vocabulary size development and suggestions on the detailed instruction guidelines

Research Project

Project/Area Number 17K13518
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Foreign language education
Research InstitutionNagaoka University of Technology (2018-2019)
Numazu National College of Technology (2017)

Principal Investigator

Fujii Kazuma  長岡技術科学大学, 工学研究科, 准教授 (50413779)

Project Period (FY) 2017-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Fiscal Year 2019: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2018: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2017: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Keywords多読 / 英文読解速度 / 語彙サイズ / 読解速度
Outline of Final Research Achievements

The main results obtained in this research are : (1) Experiencing extensive reading (ER) and reading approximately 50,000 words in 15 weeks significantly increased the reading fluency of the second-year students at a technical college; (2) Learners at A2 level on the CEFR improved their reading speed at an earlier stage (less than 50,000 words of reading) than those at A1 level; (3) Reading approximately 50,000 words in 30 weeks incrementally increased the vocabulary size of the-third year students at a technical college but the effect size was relatively small; and, (4) Learners who greatly expanded their vocabulary size tended to pay closer attention to unknown words while reading.
From the above, it was suggested that in order to improve the technical college students’ reading fluency through ER, more than 50,000 words should be read in half a year, and explicit instruction should be incorporated to enhance the effects of ER on vocabulary size growth.

Academic Significance and Societal Importance of the Research Achievements

多読は英語運用能力向上に効果的だと指摘されているが、「どのような学習者に対して、どの程度、どのような英語を、どのように読めば何に効果的なのか」という点は学術的に十分に探究されていない。そこで本研究では、A1~A2レベルの学習者に対して、半期で約5万語、年間で約5万語のやさしい英語を読ませる指導を行うことで、英文読解速度と語彙サイズに対してどのような影響を与えるのかに関して調査を進めた。
本研究結果により示唆された、英文読解速度向上のために半期で5万語以上読ませる、語彙サイズ向上のために明示的指導も組み合わせるという指導指針は、市民にもセミナーや講座を通して還元、共有できる成果である。

Report

(4 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Research-status Report
  • 2017 Research-status Report
  • Research Products

    (15 results)

All 2020 2019 2018 2017

All Journal Article (4 results) (of which Peer Reviewed: 3 results,  Open Access: 2 results) Presentation (11 results) (of which Int'l Joint Research: 5 results,  Invited: 2 results)

  • [Journal Article] 1年間の授業内多読が語彙サイズに与える影響について2020

    • Author(s)
      藤井数馬
    • Journal Title

      中部地区英語教育学会紀要

      Volume: 49 Pages: 33-38

    • NAID

      130007978538

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 半期間の授業内多読が英文読解速度に与える影響について―英語運用力および読語数からの指導指針とともに―2019

    • Author(s)
      藤井数馬
    • Journal Title

      中部地区英語教育学会紀要

      Volume: 48 Pages: 249-256

    • NAID

      130007807184

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] 英文読解速度の伸長と英語の読み方の関係に関する研究2019

    • Author(s)
      藤井数馬
    • Journal Title

      日本多読学会紀要

      Volume: 12 Pages: 15-34

    • NAID

      40022696638

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] 英語多読のアウトプット活動としてのミニビブリオバトル2017

    • Author(s)
      藤井数馬
    • Journal Title

      英語教育

      Volume: 66 Pages: 24-25

    • Related Report
      2017 Research-status Report
  • [Presentation] How much should Japanese elementary learners read in a semester to increase their reading rate?2020

    • Author(s)
      Fujii, K.
    • Organizer
      The 40th Thai TESOL & PAC International Conference 2020.
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 英語多読による付随的語彙学習効果を高めるための基礎的研究2020

    • Author(s)
      藤井数馬
    • Organizer
      同志社ことばの会年次大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] 工学系大学における授業内外での英語多読の取り組み2020

    • Author(s)
      藤井数馬・末満堅人
    • Organizer
      第13回関西多読セミナー
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] 1年間の英語多読が語彙サイズに与える影響2019

    • Author(s)
      藤井数馬
    • Organizer
      第49回中部地区英語教育学会石川大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] 英語多読と図書館支援―実例紹介・今後の可能性と課題―2019

    • Author(s)
      藤井数馬
    • Organizer
      第7回九州多読教育セミナー
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] Effects of the one-semester extensive reading program on the reading fluency development2019

    • Author(s)
      Fujii, K.
    • Organizer
      15th Annual CamTESOL Conference on English Language Teaching
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] Reading fluency development by one-semester extensive reading2019

    • Author(s)
      Fujii, K.
    • Organizer
      54th RELC International Conference and 5th Asia-Pacific LSP and Professional Communication Association Conference
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] 半期間の授業内多読が英文読解速度に与える影響について2018

    • Author(s)
      藤井数馬
    • Organizer
      全国英語教育学会第44回京都研究大会
    • Related Report
      2018 Research-status Report
  • [Presentation] Connecting extensive reading to an output activity: Effects of the Mini-Bibliobattle2018

    • Author(s)
      Fujii, K.
    • Organizer
      14th Annual CamTESOL Conference on English Language Teaching
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] The effects and procedures of the Mini-Bibliobattle: An output activity from extensive reading2017

    • Author(s)
      Fujii, K.
    • Organizer
      The 4th World Congress on Extensive Reading
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] 英語多読をアウトプットにつなげるミニビブリオバトルの実践と影響2017

    • Author(s)
      藤井数馬
    • Organizer
      全国高等専門学校英語教育学会第41回研究大会
    • Related Report
      2017 Research-status Report

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Published: 2017-04-28   Modified: 2021-02-19  

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