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頁籤選單縮合
題 名 | A Study of Learning Linear Functions in Dynamic Visual Computer Environment=在動態視覺化之電腦環境下學習線性函數之研究 |
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作 者 | 謝哲仁; | 書刊名 | 美和技術學院學報 |
卷 期 | 21 2002.09[民91.09] |
頁 次 | 頁262-288 |
分類號 | 521.53 |
關鍵詞 | 科技; 變數; 函數; 圖形; Technology; Variable; Function; Graphs; |
語 文 | 英文(English) |
中文摘要 | 本研究的目的,在建構電腦學習線性函數的環境及探測學生在此環境下的學習過程。所建構的電腦環境是圖像化的,學習者可藉由滑鼠來操控物件,物件會因行動而改變,利用測量及計算的工具,我們可以蒐集關鍵的數值,進而從數值的次序,研究一般的表示法。研究者共建構了19個活動,每一活動就是一個真實的動態情境,學習者可以藉由操作,分別從平行及直角作標的系統,視覺其關係與變化的情形。3位學生被選取,一位五年級、一位六年級、一位七年級。研究者共花了10週,每週2小時記錄觀察其學習過程。結果發現學生可以將斜率的觀念關連到速率。線性圖形或情境可以以代數方式來表徵。 |
英文摘要 | The purposes of this study are to construct a computer environment for learning linear function and to investigate how students learn about linear functions in such environment. The computer environment is visual-oriented with emphasis on the user's action. Physical objects are presented as icon objects on the screen and students are allowed to manipulate any icon objects. The computer design starts with a representation of physical situations followed by multiple representations of the situation. Students may see the same relationship from parallel or perpendicular perspectives. Three students (a seventh grader, a sixth grader, and a fifth grader), participated in the study. The investigator spent 10 weeks working with each student after school. Two one-hour teaching sections were conducted with each individual student each week. During the 10-week period, the generation of meaning and then enhancement of interpreting of the symbols and linear functions were found in these students. The participants also were able to related the slope concept to the rate concept as a result of the repetitive comparison an visualization between the parallel axes and the rectangular axes. Formulation of the algebraic representation of a graphics line or linear situation was also observed from these students. |
本系統中英文摘要資訊取自各篇刊載內容。