以科學史電腦多媒體素材應用於國中「原子結構」輔助教學之成效研究

林天陽

指導教授 ： 葉名倉

國立臺灣師範大學/理學院/化學系在職進修碩士班/碩士(2009年)

摘要

本研究主要目的在於探討將研究者自行設計原子科學史電腦輔助教學媒體融入自然與生活科技領域對學生學習成效的影響。針對自然與生活科技課本之物質的組成章節，發展相關的教學媒體，作為教學輔助之用，以期提昇學生學習興趣及成效。
本研究以台北縣某縣立國中之71名國二學生為研究樣本，以驗證所發展的教學媒體，對於協助學生原子結構、原子與分子、粒子觀點以及莫耳數等觀念是否有顯著的成效。並將學生區分為實驗組與控制組各一班，俾便比較該教學媒體對學生的影響。實施方式為：實驗組輔以該教學媒體；控制組則利用板書教學。課程結束後均實施後測，並針對實驗組的學生實施學習感受問卷，以瞭解學生對該教學媒體有何看法與建議。此外，不論實驗組或對照組均施以教師教學評鑑問卷，進一步探討學生對教師教學策略有何感受。
研究結果顯示，實驗組的學生在後測的平均成績高於控制組；進一步分析發現，前者之低成就學生學習成效優於後者之低成就學生，並達到顯著差異。推測低成就學生施以具體、視覺化的教學媒體，對其概念的建立與學習動機的啟發有所助益。另外，問卷結果顯示，學生高度地肯定教師配合此教學媒體進行教學活動，也願意使用相關媒體幫助學習；但是，也建議動畫內容應再增加，提高更多的學習興趣。至於教師教學策略方面，學生多為正面的評價。
因此，本研究建議教學活動應兼備有計畫的教學策略以及合適的教學媒體，將可有效地提昇學生學習動機與成效。

關鍵字

多媒體 ； 學習成效 ； 科學史

並列摘要

The purpose of this study is to explore the effects of the interactive computer multimedia on atomic science history used for the instruction in junior high school. The teaching media designed by the researcher is based on the chapters about material in the text book.It was used to assist instruction and hopefully would raise students' interest and effects in learning.
In order to verify whether there are remarkable effects or not when the developed teaching media is used in helping student learning conceptions of atomic structure, atom and molecule, particle aspect of matter and mole, the researcher chose 71 eighth graders in a junior high school from Taipei county to be study samples. They were divided into control group and experimental group, and thus it's convenient to compare the influences of the media used on the students. Both groups received the same instruction content, but the teaching media was used additionally in the experimental group. After the whole instruction, both groups took a posttest. At the same time, the students in the experimental group were asked to answer a questionnaire to understand their opinions and suggestions on the educational media. Furthermore, both experimental and control groups filled out a form of investigation into their chemistry teacher's teaching strategies, which was further used to explore the students' response.
According to the results of the study, the average accomplishment of the experimental students was better than those of the control students'. According to further analysis, students with low achievement in experimental group got even higher grades than those in the control group, and showed a significant difference. So we can conjecture that if low achieved students receive concrete and visualized instructional media, there will be boosts to the students to set up their conceptions and to inspire their learning motive. On the other side, the results of the questionnaire displayed that the experimental students gave high evaluation to the instruction with the media, and had aspiration to use relative media to help learning. But, they also suggested that there should be more animations in the media. As to the teacher's teaching strategies, students also evaluated positively.
Therefore, in order to achieve good instructed accomplishments, the researcher suggest that instruction should be assisted by instructional media. So that will be able to raise students' learning motive and accomplishments effectively.

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