本研究旨在探討融入知識翻新（knowledge building）教學能否提升國小學生的閱讀理解和閱讀動機。研究對象為新北市某國小兩班三年級學生：其中一班為實驗組（n=24人），另一班則為控制組(n=27)。前者採用知識翻新原則進行教學，並輔以知識論壇（Knowledge Forum）線上學習平台；後者則採傳統講述教學。實驗時間共計18週。 本研究的研究目的在瞭解經過二種不同教學方式後，兩組學生的閱讀動機和閱讀理解表現是否具有差異。資料來源包含：（1）PIRLS閱讀測驗前後測成績；（2）平台討論貼文內容；（3）平台參與活動量（包括貼文數、回文數等量化資料）；及（4）閱讀動機量表前後測分數。資料分析採質性內容分析、單因子共變數分析、相依樣本t檢定、卡方檢定等方式。除探討二種教學之不同外，本研究並進一步探討實驗組學生在平台上的活動情形。 研究結果顯示：（1）基於知識翻新教學的平台討論活動，有助於提升學生高層次閱讀理解想法的討論，但討論內容缺乏深度；（2）知識翻新教學有助於提升學生閱讀理解能力；（3）學生參與閱讀理解討論之程度和品質皆與閱讀理解進步程度有正相關；（4）知識翻新教學對於學生閱讀動機並無顯著提升，但其閱讀動機提升程度與平台活動的參與程度具有正相關。根據研究結果，本研究提出相關討論與建議，以供後續閱讀教學及研究之參考。 / The aim of the study was to investigate whether engaging students in a computer supported collaborative knowledge building environment can help them improve their reading comprehension and reading motivation. Participants in this study were 51 third-grade students from two classes in an elementary school in New Taipei City. Of the two classes, the experimental class has 24 students, and the control class has 27 students. The students taking part in the experimental course received knowledge building pedagogy with Knowledge Forum (an online multimedia platform) being used for students to collaboratively construct their reading comprehension of the textbook articles online. The duration of the study was 18 weeks. The main purpose of this study was to investigate the differences of the instructional effects between the two classes in terms of the reading comprehension and motivation. Data mainly came from: (1) pre-post PIRLS (Progress in International Reading Literacy Study) test that investigated students’ reading comprehension; (2) the idea and discussion content contributed to Knowledge Forum; (3) participants’ interaction records automatically documented in the Knowledge Forum data (e.g., number of students’ notes contributed or built on); and (4) the pre-post MRQ (i.e., the Motivation for Reading Questionnaire) scores that measured students’ reading motivation. Both quantitative and qualitative data analyses were conducted. For quantitative data, one-way ANCOVA, paired t-test and chi-square were used to examine students’ reading comprehension and reading motivation; for qualitative data, content analysis was used to evaluate the quality of students’ ideas and discussion. The main findings were as follows: (1) knowledge building pedagogy were conducive to promoting the kind of online discussion that supports higher-level reading comprehension, but were unable to deepen the depth of discussion; (2) knowledge building pedagogy was conducive to enhancing reading comprehension; (3) both the degree of participation and the quality of discussion were found correlated with the degree of students’ advancement in reading comprehension; and (4) knowledge building pedagogy did not enhance students’ reading motivation; however, there was a correlation between pre-post change scores in reading motivation and the degree of online participation. Based on the results, some suggestions and implications were discussed.

本研究旨在探討，基於知識翻新教學（knowledge building pedagogy）所建立的電腦支援協作學習環境，能否協助提昇學生對科學理論本質的理解。研究對象為52位修習「自然科學概論」課程的大學生。教學設計以知識翻新教學法為原則，並輔以知識論壇（Knowledge Forum）線上合作學習平台。 資料來源包括：（1）學期前後對科學理論本質理解之開放式問卷；（2）平台討論內容；（3）平台活動量(包括貼文數、回文數等數據資料等)。資料分析採用質性內容分析法及量化成對T考驗、卡方考驗等方式。 研究結果指出：(1)經由知識翻新教學，學生於學期後對科學理論本質理解產生顯著轉變。學生對科學理論本質的觀點，在期初較偏向邏輯實證主義：認為理論主要來自於對自然界的觀察、發現；或視理論為絕對客觀、正確的實驗結果；或認為理論主要是經由科學家個人所產生，並且是一種具有權威性且不可改變的存在。然而，在期末時，學生對理論本質的理解則轉變為比較建構取向的理解：認為理論是科學家或科學社群的發明，其結果受社會與人文因素等影響；或認為理論本身可以透過某些標準被評價，例如解釋力、適當性、邏輯流暢度等，因此理論能夠被不斷翻新修正。(2)學生在學習平台上進行探究活動中呈現的科學概念層次隨時間經過而不斷進步。學生在後半學期能使用更明確而具體的科學訊息、證據，對議題進行討論。(3)最後，學生對科學理論本質理解的轉變，以及其科學探究概念層次的高低，皆與其在平台活動量（如參與程度等）有正向關連。 針對上述結果，本研究提出相關討論與建議，以供現場教師或未來研究者之用。 / The aim of this study was to investigate whether students can develop a better understanding of the nature of scientific theories after engaging in a computer supported collaborative knowledge building environment. Participants were 52 undergraduate students who took a course about nature sciences. The instruction of this course was designed based on knowledge building pedagogy, using Knowledge Forum as a tool for students to construct their theories about scientific phenomena through online collaboration. Data sources included: （1） a pre-post open-ended questionnaire that investigated students’ understanding of the nature of scientific theories; （2） the content of an online forum in which students posted their ideas; （3） students’ activities in the forum, for instance, number of students’ notes contributed, or number of notes built-on to each other’s notes. Data were analyzed through both qualitative and quantitative methods. From a qualitative perspective, we used content analysis to evaluate the quality of students’ discussion; from a quantitative perspectivea, paired t-test and chi-square were used to examine students’ change of views regarding the nature of scientific theories after the course. The results showed that after a semester, students were able to develop a more constructivist-oriented view toward the nature of scientific theories. Their view shifted from a more positivist-oriented perspective to a more constructivist-oriented one. Further, the finding showed that there was significant improvement in students’ scientific inquiry as reflected in the progressively more sophisticated levels of the scientific concepts discussed online. Moreover, it was found that there was a statistically significant, positive correlation between students’ enhanced understanding of the nature of scientific theory and the intensity of students’ online activities. Additionally, the results also indicated that there was a significant, positive correlation between the depth of students’ scientific inquiry ( as reflected in the concepts inquired and discussed online) and the extent of students’ online activities. Some further suggestions and implications were also discussed in the study.

本研究主要目的為探究知識翻新教學對學生知識共構歷程與想法概念理解的影響。以知識翻新原則（knowledge building principles）為教學理念（Scardamalia, 2002），輔以知識論壇(Knowledge Forum™)的教學設計，提供一個電腦支援協作學習的線上環境，幫助學生體驗與想法互動、想法共構與翻新想法的過程，並紀錄學生多元的想法。本研究採個案研究法，研究對象為某國立大學的學生（N=41），教學時程為一學期。資料來源與分析包含：(1)知識論壇平台活動情形--透過知識論壇分析工具與社會網絡分析法來瞭解學生在平台上的活動量與互動關係；(2)知識論壇中學生想法互動貼文--透過Dean, Hender, Rodgers與Santanenm（2006）建立的想法品質評估量表，以新穎性、可行性、關聯性與具體性四個面向進行學生想法的評分，另外也採用Garrison, Anderson與Archer（2001）提出的實用探索模式，將學生想法分為引發事件、探索、整合、決議四個探索層次進行分析；(3)想法概念開放式問卷前後測--由學生的回答進行開放式編碼，搭配Popper（1972）三個世界知識論（3-World epistemology）的理念框架進行分析。研究結果發現：(1)知識翻新與知識論壇輔助的教學設計，能幫助學生產生想法、進行想法互動，提升想法層次；(2)在知識翻新教學環境下，能提升學生對於想法概念的多元理解，並逐漸將想法視為可被交換與運用來解決真實問題的具體產物；(3)品質與數量並重的想法共構歷程，與學生對於想法概念的理解程度有相輔相成的可能性；(4)知識翻新學習環境，能促使學生提出多元化的想法，透過探索與整合進行知識共構。以上結果顯示，知識翻新環境提供了一個開放討論的空間，讓學生願意分享想法，使想法有改進的可能；此外，也讓學生在過程中，對於想法概念的理解更多元，也更認同想法是具體且共有的社會實體。 / The purpose of this research was to investigate the effects of knowledge building pedagogy on college students’ understanding of the concept of ‘ideas’. Knowledge building principles (Scardamalia, 2002) and Knowledge Forum (KF) technology were employed to support and record the process of idea generation, idea co-construction and idea elaboration. This study adopted a case study design. Participants were 41 undergraduates who engaged in a course titled “Introduction to Living Technology” for one semester. Data sources and analyses included: (1) students’ online activities in KF, which was assessed using Analytic Toolkit and social network analysis in order to understand the process of interaction among students; (2) students’ online discourse data, which were scored using idea evaluation scale (see Dean, Hender, Rodgers & Santanenm, 2006) including four dimensions--novelty, workability, relevance and specificity; moreover, students’ ideas were content-analyzed using practical inquiry model including four levels--triggering event, exploration, integration and resolution (Garrison, Anderson & Archer, 2001); (3) pre-post survey with five open-ended questions that assessed students’ understanding of the concept of ‘idea’ in several aspects (e.g., definition, purpose, and source); moreover, students’ answers were analyzed by open coding using Popper’s three-world epistemological framework. The findings were as follows: (1) knowledge building and technology was found helpful for students to generate ideas, facilitate idea interaction and improve ideas; (2) engaging students in knowledge building was likely to enhance students’ diverse perceptions about ideas, and students tended to see ideas as improvable objects of value for potential knowledge construction; (3) idea co-construction processes, emphasizing both the quality and quantity of ideas, were also likely to enhance students’ diversified perceptions about ‘ideas’; (4) knowledge building environment was beneficial for students to implement knowledge co-construction through exploration and integration. To conclude, knowledge building environment provided an open space for students to share ideas and made idea elaboration more easily; besides, via co-construction process, students’ understanding of the concept of ‘idea’ becomes more diverse, and tended to recognize ideas as tangible, social epistemic entities.