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UDA Hirofumi  宇田 廣文

ORCIDConnect your ORCID iD *help
… Alternative Names

宇田 広文  ウダ ヒロフミ

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Researcher Number 50040994
Other IDs
Affiliation (based on the past Project Information) *help 2010: 宮崎大学, 大学院・教育学研究科, 教授
2009: University of Miyazaki, 教育文化学部, 教授
1999 – 2000: MIYAZAKI UNIVERSITY, FACULTY OF EDUCATION AND CULTURE, PROFESSOR, 教育文化学部, 教授
1997 – 1998: 宮崎大学, 教育学部, 教授
1991 – 1994: Miyazaki Univ. / Faculty of Education Professor, 教育学部, 教授
1987 – 1991: 宮崎大学, 教育学部, 助教授
1986: 宮崎大, 教育学部, 助教授
Review Section/Research Field
Principal Investigator
Education on school subjects and activities / 代数学・幾何学
Except Principal Investigator
教育・社会系心理学 / Psychology / General mathematics (including Probability theory/Statistical mathematics) / 代数学・幾何学
Keywords
Principal Investigator
エビデンス / 比較調査 / 資料の活用 / 研究計画 / 比較可能性 / 比較研究 / 研究デザイン / LCM安定性 / 【G_2】安定性 / 多項式次数 … More / PVMD / 正規環 / 巾閉性 / KO環 … More
Except Principal Investigator
誤り方略 / 割合概念 / 数学的構造 / 意味構造 / 分数概念 / fraction / インフォーマルな知識 / 問題解決 / Markov Decision / Average Reward / VectorーValued / Dynamic Programming / Pareto Optimal / Convex Cone / 意味講造 / 誤り方誤 / 球面的空間 / K環 / KO環 / Adams作用素 / J群 / ホモトピー型 / Polynomial grade / PVMD / G_2安定性 / LCM安定性 / 知識の統旨 / 誤った方略 / 分数の習得過程 / 既有知識 / 知識の統合 / 知識構造 / 知識の表象 / incorrect strategy / knowledge / 教授介入 / 方略分析 / 方略 / ratio concepts / insorrect strategy / new curriculum / 割合 / 概念理解 / 繰り方略 / cognitive obstacles / understanding / instructional intervention / 認知的課題分析 / 分数の大きさ / 知識の領域固有性 / 全体としての1の概念 / 概念の変化過程 / fraction concepts / incorrect strategies / cognitive task analysis / spefic domenin of know ledge Less
  • Research Projects

    (11 results)
  • Research Products

    (3 results)
  • Co-Researchers

    (12 People)
  •  数学教育におけるエビデンス生成のための方法論Principal Investigator

    • Principal Investigator
      宇田 廣文
    • Project Period (FY)
      2009 – 2010
    • Research Category
      Grant-in-Aid for Challenging Exploratory Research
    • Research Field
      Education on school subjects and activities
    • Research Institution
      University of Miyazaki
  •  Analyses of both informal knowledge and cognitive barriers in ratio concepts

    • Principal Investigator
      YOSHIDA Hajime
    • Project Period (FY)
      2000 – 2002
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      教育・社会系心理学
    • Research Institution
      Ritsumeikan University
      University of Miyazaki
  •  CHANGE IN RETIO'S CONCEPTS FOR CHILDREN AND INSTRUCTIONAL INTERVENTION

    • Principal Investigator
      YOSHIDA Hajime
    • Project Period (FY)
      1997 – 1999
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      教育・社会系心理学
    • Research Institution
      MIYAZAKI UNIVERSITY
  •  割合概念の理解過程と教授介入

    • Principal Investigator
      吉田 甫
    • Project Period (FY)
      1994
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      教育・社会系心理学
    • Research Institution
      University of Miyazaki
  •  割合問題の分類とその理解過程に関する研究

    • Principal Investigator
      吉田 甫
    • Project Period (FY)
      1993
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      教育・社会系心理学
    • Research Institution
      University of Miyazaki
  •  割合概念の理解過程に関する発達的研究

    • Principal Investigator
      YOSHIDA Hajime
    • Project Period (FY)
      1992
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      Psychology
    • Research Institution
      University of Miyazaki
  •  平均型ベクトル基準値を持つ多目的マルコフ決定過程の凸最適解の研究

    • Principal Investigator
      伊喜 哲一郎
    • Project Period (FY)
      1991
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      General mathematics (including Probability theory/Statistical mathematics)
    • Research Institution
      University of Miyazaki
  •  Understanding fraction in children and intervention to them

    • Principal Investigator
      YOSHIDA Hajime
    • Project Period (FY)
      1989 – 1991
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      Psychology
    • Research Institution
      Miyazaki University
  •  球面的空間のトポロジーの研究

    • Principal Investigator
      藤井 憲三
    • Project Period (FY)
      1988
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      代数学・幾何学
    • Research Institution
      University of Miyazaki
  •  The longitudinal analyses of change processis in understanding fraction concepts

    • Principal Investigator
      YOSHIDA Hajime
    • Project Period (FY)
      1987 – 1988
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      Psychology
    • Research Institution
      Miyazaki University
  •  環の構造の研究Principal Investigator

    • Principal Investigator
      宇田 広文
    • Project Period (FY)
      1986
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      代数学・幾何学
    • Research Institution
      University of Miyazaki

All 2011 2010

All Journal Article Presentation

  • [Journal Article] 数学教育における科学的証拠の生成の必要性と今後の課題2010

    • Author(s)
      藤井良宜, 添田佳伸, 宇田廣文
    • Journal Title

      第43回数学教育論文発表会論文集

      Volume: 2 Pages: 837-842

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21653103
  • [Presentation] 数学教育におけるエビデンス生成の試み-「資料の活用」領域に関する生徒の実態調査-2011

    • Author(s)
      藤井良宜, 添田佳伸, 宇田廣文
    • Organizer
      九州数学教育学会
    • Place of Presentation
      福岡教育大学
    • Year and Date
      2011-03-26
    • Data Source
      KAKENHI-PROJECT-21653103
  • [Presentation] 数学教育における科学的証拠の生成の必要性と今後の課題2010

    • Author(s)
      藤井良宜, 添田佳伸, 宇田廣文
    • Organizer
      日本数学教育学会
    • Place of Presentation
      宮崎大学
    • Year and Date
      2010-11-14
    • Data Source
      KAKENHI-PROJECT-21653103
  • 1.  KURIYAMA Kazuhiro (10170094)
    # of Collaborated Projects: 7 results
    # of Collaborated Products: 0 results
  • 2.  YOSHIDA Hajime (80094085)
    # of Collaborated Projects: 7 results
    # of Collaborated Products: 0 results
  • 3.  SOEDA Yosinobu (00197005)
    # of Collaborated Projects: 5 results
    # of Collaborated Products: 0 results
  • 4.  藤井 憲三 (10090549)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 0 results
  • 5.  谷本 洋 (00179855)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 6.  ETO Shunsi
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 7.  熊本 新一
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 8.  伊喜 哲一郎 (80041010)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 9.  川野 日郎 (20040983)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 10.  緒方 明夫 (80040921)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 11.  小倉 定
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 12.  岩崎 守男
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results

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