本研究旨在探討情境教學中整合虛擬導師與多維度鷹架策略，對學生英語口語學習成效之影響。隨著英語在國際交流中的重要性日益提升，提升學生口語表達能力已成為英語教育的關鍵課題。然而，多數學生在實際口說運用上常面臨表達困難與學習焦慮，亟需更具支持性的教學設計以提升其語言表現與學習動機。
運用生成式人工智慧技術創建導師，並融合多維度鷹架教學策略，提供具情境脈絡的語言學習活動，以促進學生參與、降低學習壓力，並強化其語言輸出能力。研究重點聚焦於探討此教學設計對學習者動機、自信心與語言表現的影響，期望藉由虛擬導師即時引導與鷹架支持，提升學生在情境互動中的口語表達能力，並為語言教學實務提供創新且具效益之參考依據。

This study examines the impact of integrating a virtual tutor with multidimensional scaffolding strategies on students’ English speaking performance. As English gains importance in global communication, improving oral expression has become essential. However, many learners face difficulties and anxiety in real-life speaking, highlighting the need for more supportive instructional designs to enhance performance and motivation.
By using generative artificial intelligence to create a virtual tutor combined with multidimensional scaffolding, this study offers context-rich learning activities that boost engagement, reduce pressure, and strengthen language output. It focuses on how this approach affects learners’ motivation, confidence, and speaking skills. Through real-time guidance and scaffolding support, students’ oral abilities in situational interactions are expected to improve.

目錄

目錄  iii 
表目錄  v
圖目錄  vi
第一章 緒論  1
第一節 研究動機與背景  1
第二節、研究問題  5
第三節、研究目的  6
第二章 文獻探討 7
第一節 EFL (English as a Foreign Language)  7
第二節 AI應用於語言學習  9
第三節 自我決定理論  11
第四節 鷹架策略 . 14
第三章 教學設計與實驗流程  17
第一節 整體教學設計架構  17
第二節 教學流程與實驗架構  19
第三節 實驗說明  22
第六節 教學介入操作項目之差異分析  38
第七節 研究工具與量表說明  40
第八節 參與者背景與選擇  43
第四章 研究結果與討論  45
第一節 樣本結構分析  45
第二節 前後測驗與問卷分析  48
第三節 質性訪談  53
第五章 研究結果  54
第一節 研究結論  54
第二節 未來研究之建議  56
參考文獻 57
中文文獻  57
英文文獻  58

附錄一 58


表目錄
表2-1 GenAI於語言學習上的應用  10
表3-1實驗prompt整理 30
表3-2 TOEIC 題型導向之語言鷹架整理 37
表3-3教學介入操作項目之差異分析表  39
表3-4問卷之統整表  42
表4-1 描述性統計  46
表4-2前測獨立樣本t檢定結果  48
表4-3學習動機變化（ARCS）分析結果  50
表4-4自我決定構面(SDT)分析結果  51
表4-5外語學習焦慮（FLCAS）分析結果  51
表4-6 TOEIC口語表現分析結果  52
表4-7學生A訪談結果  53
表4-8學生B訪談結果 53

圖目錄
圖2-1 近側發展區(L.S. Vygotsky 1978)  14
圖3-1 實驗流程圖  21
圖3-2多益口說練習環境  31
圖3-3 AI對話輔導視窗  32
圖3-4 本系統之語音辨識  33
圖3-5虛擬導師之診斷式回饋  33
圖3-6系統架構圖  35
圖3-7口說測驗評測系統  40
圖3-8研究架構圖  43

參考文獻
中文文獻
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