楊文金Wen-Gin Yang李美惠Mei-Huei Li2019-09-052005-7-282019-09-052005http://etds.lib.ntnu.edu.tw/cgi-bin/gs32/gsweb.cgi?o=dstdcdr&s=id=%22G00T1452002%22.&%22.id.&http://rportal.lib.ntnu.edu.tw:80/handle/20.500.12235/104484科學寫作在自然科學教學與評量的應用－以電影中酸鹼現象之觀察與解釋為例 摘 要 本研究旨在從系統功能語法的觀點，探討學生在觀看影片後之科學寫作對其學習的影響，進而討論科學寫作在自然科學教學與評量的應用。 研究的進行採用準實驗研究法，對象係台北市某市立國中八年級66位學生，隨機分配實驗組與對照組；所有學生在閱讀某版本教科書之酸鹼單元科學文本後，實驗組學生在觀看電影影片的同時進行科學寫作，而對照組學生僅觀賞電影影片。收集兩組學生酸鹼單元前後測成績及其學科學習成就作為學生背景資料。科學寫作內容以及物性分析為主，並將量化後資料以敘述性統計、t檢定、Pearson相關等進行分析。研究發現如下： 一、看電影寫科學，學生寫出的觀察小句數多於推論小句數，物質過程的使用次數最高；詞彙密度平均值為3.14，其中29%為科學內容詞數比例。 二、雖然科學寫作內容的精緻度與國文科學習成就顯著相關，但科學寫作中的小句數、內容詞數以及科學內容詞數等，與自然科學習成就的相關值高於與國文科的相關。 三、科學寫作對學生學習有幫助。實驗組學生在酸鹼單元的後、前測差異顯著高於對照組學生。儘閱讀科學文本即可提升高分組學生在酸鹼單元的學習成就，但閱讀科學文本加上科學寫作則使高、低分組學生的學習成就皆呈顯著進步。 四、評量科學寫作可採計寫作的內容詞數、小句數以及級轉移頻率，或以合併「觀察」與「推論」小句之「小句級分」來建立評量規準。 最後，根據上述的研究結果對科學教學與研究提出討論與建議。Applying Science Writing in Science Teaching and Assessing -- An Example of Describing and Explaining of the Acid-Base Phenomenon in the Movie Abstract Drawn on the Systemic Functional Linguistics (SFL), the present study aims to explore the effects of applying science writing in science teaching and assessing. A Quasi-experiment was designed. After reading a text extracted from the science textbook, the experimental group was asked to accomplish science writing task as watching movie film, while the control group just watched movie film only. These students’ performance of acid-base tests and academic achievement including Chinese and Science were collected. Students’ science writing texts were analyzed by the grammatical system of transitivity in SFL and the relations between science writing and learning achievement were analyzed. The major findings were as follows: 1. In the text of students’ science writing, observational clauses were more than explanatory ones, the average lexical density was 3.14, where 29% was science content words. 2. Students’ science writing text was significant correlated with their academic achievement in Chinese and Science. However the coefficient of the later was higher than the former. 3. The experimental group performed better than the control group in the achievement test. Reading the science text promoted high-grade students’ learning achievement, while reading the science text accompanied with science writing promoted both high- and low-grade students’ achievements. 4. The combinations of the amount of content words, clauses and rank-shift, observational and explanatory clauses could be serve as possible rubrics for assessing the quality of students’ science writing. Issues and implications in science teaching of the above findings were discussed, and suggestions were proposed for further study.科學寫作評量系統功能語法詞彙密度science writingSFLlexical density