教師著作

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    問題解決為基礎之電腦輔助教材發展研究---中等學校地球科學 (I)
    (行政院國家科學委員會, 1998-07-31) 張俊彥
    本研究計劃的主要目的為:(一)將今年度研究開發所得的地球科學電腦輔助教材,在一所高中進行實驗性教學研究(Pilot Study),來探究其在學生學習成就與態度上的影響。實驗性教學研究將同時採用質與量的研究方法:量的方面將採用「問卷調查法」與「靜態組比較」之研究設計,質的方面將採用「半結構式晤談」之研究方法,來深究學生對此電腦輔助教材的觀感;(二)經由上述實驗性教學研究所得回饋,修正改良此「問題解決」策略為基礎的地球科學電腦輔助教材;同時發展出與本研究有關之地球科學單元的測驗工具,以便作為學生學習成就與態度之評量工具;(三)根據「問題解決」教學策略,繼續設計發展其他兩個單元的地球科學電腦輔助教學教材(預定內容為「造山運動與地震」及「燦爛星空」兩單元);(四)第二年的計劃為正式教學研究(Main Study),將採用準實驗研究法中「不相等控制組」之實驗設計。測驗工具採用第一年研究發展出的評量工具作為成效指標。實驗性教學研究將著重於比較:接受此「問題解決」策略為基礎的電腦輔助教材教學的學生,與未接受此份教材教學的學生,他們在學習成就與態度上的差異。最後希望藉由此研究結果,對目前中等學校在地球科學電腦輔助教材、教學及未來研究上,提出建議及改進方針。
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    中等學校地球科學「問題解決活動」之實驗教學研究 (I)
    (行政院國家科學委員會, 1998-07-31) 毛松霖; 張俊彥
    本研究計畫的重點及主要目的為:(一)根據「創造式問題解決」的教學模型,設計八個有關地球科學的教學單元,且以試教實驗教學研究方式運用在中等學校地球科學課堂上,來幫助修正改良此「創造式問題解決」的教學策略;使其更適用於目前的國內中等學校地球科學課。(二)經由深入的文獻探討、並由試教實驗教學所得回饋、及國內外現有測量工具,設計並發展出有關評量「問題解決」的三種工具,其中包括:(1)高層次思考能力量表-參考Bloom's Taxonomy所分類的應用、分析、評鑑等階層;同時根據Biggs & Collis研究所得的SOLO Taxonomy評量方法,來評量學生在高層次思考能力的測驗工具;(2)科學過程技能量表-包含問題覺知、觀察、解釋資料、及形成假設等科學過程能力的評量工具;(3)對科學的能度之量表,以便作為地球科學學生在有關「問題解決」方面的指標及評量工具。(三)將研究所得改良式「創造式問題解決」的教學策略,同時配合研究發展所得有關「問題解決」的評量工具;運用準實驗研究法的「不相等控制組」之實驗設計來驗證其成效。研究結果不但可提供中等學校,在改進地球科學教材及教法上一些重要訊息;同時幫助科學教育研究者及科學教師在「問題解決」的領域中,有更深層的瞭解及學習如何實際在課堂上應用「問題解決」的教學策略。同時希望藉由此研究結果,作為未來設計遠距教學及用於資訊網路上互動「問題解決」教學各方面的基礎。
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    The effects of an inquiry-based instructional method on Earth science students' achievement.
    (1998-04-22) Chang, C. Y.; Mao, S. L.
    This study examined the effects of an inquiry-based instructional method on secondary school students' earth science achievement. Students chosen to participate in this study included 232 earth science students enrolled in six earth science classes. A quasi-experimental non-equivalent control group design was employed in finding any significant gains in student achievement. The experimental group (n=116) received two weeks of the inquiry-based instruction while the control group (n=116) received the traditional lecture-type instruction. Selected items from Taiwan Indicators of Educational Progress in Science Process Skills and Taiwan Entrance Examinations for Senior High School were used to measure students' achievement. The data were analyzed employing an analysis of covariance (ANCOVA) on posttest scores with pretest as the covariate. The results indicated that students taught using the inquiry-based instructional method did significantly score higher than those who were taught by the traditional teaching approach (F=6.75, p<0.05). In addition, there was also a significant improvement in the achievement test especially at the comprehensive (F =3.94, p<0.05) and integrated level test items (F=6.47, p<0.05).
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    Project WILD impacts on urban children
    (1998-09-08) Hua, H. P.; Huntsberger, J.; Chang, C. Y.
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    Taoism and its implications for science education
    (1999-03-31) Hua, H. P.; Chang, C. Y.
    As one of the major schools of thought in ancient China, Taoism centers on the concept of "Tao", the Way, which has two distinct characteristics: (1) Tao itself can be deemed as a final "reality" that is equivalent to the ontology of the Universe; and (2) Tao itself cannot be defined directly by human language. Taoism posits a holistically cosmological view on the universe as an organic Whole and illuminates that there is always a tendency to establish a dynamic balance within the Universe. Based on these characteristics and the belief that, to a certain degree, relationships exist between Taoism, modern science, and the contemporary environmental crisis, this paper attempts to render a number of implications for science education including: (1) providing a philosophical ground to loosen the tension resulting from current arguments on science education research in the postmodern era; (2) setting an alternative possibility for developing science curricula; and (3) serving as a practical ideology for self-reflection on science teaching.
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    3-D geocellular oil-resource determination in south Texas Frio fluvial-deltaic reservoirs
    (1997-10-17) Holtz, M. H.; Yeh, J.; Chang, C. Y.
    Increased accuracy and possible variability of calculated original oil in place can be achieved by combining information acquired from both geologic and engineering reservoir characteristics into a comprehensive model. Three-dimensional (3-D) geocellular computer modeling facilitates this integration. Such an approach allows geologic architecture and engineering fluid-flow trends to be combined in order to delineate the spatial geometry of individual reservoir genetic units. Information from both disciplines can be used to determine the spatial distribution of petrophysical attributes within these genetic units, resulting in increased accuracy in calculating original-oil-in-place (OOIP) volumetrics. In order to determine original and remaining OOIP in South Texas Frio Fluvial reservoirs, 3-D geocellular computer modeling was applied. We found that fourth- and fifth-order flooding surfaces define reservoir architecture by constraining depositional units and delineating the spatial distribution of gross sandstone depositional facies. Depositional facies information was then combined with both conventional and special core analyses to generate porosity, permeability, water saturation, and residual-oil saturation transforms. Fluid-flow trends, including water:oil and gas:oil ratios, were analyzed to determine the connectivity within each fifth-order genetic unit. The 3-D geometry of each genetic unit was modeled as distinct bounding surfaces to constrain petrophysical property interpolation, and various controls on petrophysical interpolation were applied to test their sensitivity. Proportional geocellular layering character resulted in a 20-percent increase in OOIP, as compared with onlapping cells against bounding surfaces. A 6-percent variation in OOIP resulted when we combined onlap with directional interpolation bias as opposed to template weighting.
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    Initiating change in students' achievement and alternative frameworks through a problem solving based instructional model.
    (1997-03-24) Chang, C. Y.; Barufaldi, J. P.
    The purpose of this study was to investigate the effects of a problem solving based instructional model on earth science students' achievement and alternative frameworks. Students' opinions toward the instructional method were also investigated. The investigations employed a pretest/posttest control group design to detect any significant change. The 172 participants enrolled in four earth science classes received six weeks of the problem-solving based instruction. Selected items from the Taiwan Entrance Examinations for Senior High School were used to measure achievement in Earth Science content. An instrument with open-ended questions was used to examine conceptual change while a 10-item Likert-type questionnaire was used to explore student opinions toward the instruction. Results of an analysis of covariance on achievement posttest scores revealed that the problem solving based instructional model did significantly improve the achievement of students, especially at the application level. A chi-square analysis on students' alternative frameworks measure indicated that students taught using the problem solving based instructional model experienced significant conceptual changes. Contains 33 references. (Author/JRH)