學習動機與認知負荷是影響學生學習注意力歷程最常見的因素，由於科技的進步，眼球追蹤技術是一項能夠直接收集分析學習者注意力歷程的研究工具。本研究旨在運用眼球追蹤技術，探討國中學生閱讀數學幾何證明問題時的閱讀歷程。本研究以單一組實驗設計，先對90 名國中八年級學生進行數學學習動機和基本幾何符號辨識測驗，並參考先前數學成績，從中篩選17 名且未學過幾何證明的學生為研究對象，參加一項數學三角形全等性質的學習活動，閱讀九張教學投影片，每張投影片均有主旨區、說明區、圖形區三個欲觀察的興趣區塊。閱讀過程中運用Tobii 4C 遠距可攜式桌上型眼動儀蒐集眼動資料和所感知的認知負荷，閱讀後並進行學習成效測驗。本研究運用研究團隊所開發之眼動資料分析工具(Hsu, Chiou & Tsai, 2016; Tsai, Hsu & Pai, 2018)進行眼動資料處理和注意力分析。研究結果發現：(一)高學習動機學生比低學習動機學生在文字說明區有較多注意力分布，低學習動機學生則比高學習動機學生花較多心力在主旨區。(二)高學習成效學生比低學習成效學生在圖形區有的注意力分布，且注意力在主旨與圖形間有較明顯的轉移；低學習成效學生則在說明區有較大的平均凝視時間，明顯投入較大心智努力，且注意力常在思考後轉移到主旨；(三)高認知負荷感知的學生需要花較多時間閱讀文字敘述(包含主旨與說明)，且注意力常在思考與主旨間有轉移；低認知負荷學生則較無特定的注意力轉移模式。本研究揭示不同學習特質國中學生在學習數學幾何證明過程中的個別差異。根據此研究結果，本研究針對未來研究及數學教學實務應用提出相關建議。

Learning motivation and cognitive load are the most common factors impacting students’ visual attention during learning process. With the rapid advance of technology, eye-tracking technique has become a research tool to directly collect and analyze the data about learners’ visual attention during learning. The purpose of this study was to explore the reading process of junior high school students in geometry proof learning by using the eye-tracking technology. Based on a one-group experimental design, this study conducted a pretest including mathematics learning motivation and a basic geometry test for 90 eighth graders. Along with their prior mathematics middle test scores, a total of 17 students who did not learn geometry proof before were selected as the sample of the study. The sample was asked to participate in a learning task about congruent property of triangles. In the task, the students were required to read nine teaching slides which included three areas of interests in each slide: the title area, the explanation area and the graphic area. During the reading process, a Tobii 4C portable-and-remote eye-tracker was used to collect students’ eye movement data and also collect their perceived cognitive loads, followed by a learning achievement test. This study utilized eye-tracking data analysis tools (Hsu, Chiou & Tsai, 2016; Tsai, Hsu & Pai, 2018) to process eye-tracking data and to analyze visual attention. The results indicated that: Fist, the students with the higher learning motivation tended to pay more attention on the explanation area, while students with the lower learning motivation tended to make more mental efforts on the title area. Second, the students with the higher learning achievements tended to pay more attention on the graphic area, and they also had significant visual attention transfers between the title and the graphic areas. However, the students with the lower learning achievements tended to have longer average fixation durations on the explanation areas, and they tended to transfer their visual attention to the title area after thinking. Third, the students who perceived the higher cognitive loads needed to spend more time reading the title and the explanation areas, and they tended to transfer their visual attention between the title areas and thinking. No specific visual attention transfer patterns were found for the students with the lower cognitive load perceptions. This study reveals that there are individual differences in the reading process of geometry proof learning for students with different learning characteristics. According to the above findings, suggestions of future studies and the practices in mathematics teaching have been provided in this study.

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