| Summary: | 碩士 === 國立交通大學 === 理學院科技與數位學習學程 === 107 === Recently, the conciouseness of teaching concept of whether schools or educational industry toward multimedia has come into being, allowing students to learn out of traditional cramming system as possible, by using messages to convey different functions of the assigned words and spaces, trying to make differences in teachings through the operation of image overlapping and color lightening with an eye to enhancing the effectiveness of teaching. The purpose of the research focuses on the way that teachers convey knowledge through the design and use of teaching materials. The study adopts the quasi-experimental design and uses ”spatial concept” as teaching contents, to explore synchrony of pictures and word as well as presentations by step to take on the teaching variations. Subsequently, shown are the statistics of independent sample t of grades, analysis of two variables, normal distribution curves, and Pearson correlation coefficient. The result shows that (1) Teaching design changes and high learning effectiveness changes bear striking differences in every parts of post tests；(2) High learning effectiveness changes and post test changes are highly correlated to the grades of math in the first semester of senior high；(3) Teaching design changes show but little difference, compared with changes in different learning achievements in every part of post-test grades；(4) High learning effectiveness changes increase evidently on normal distribution curves.
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