初中数学多媒体教学中认知负荷的控制方法研究
[Abstract]:Cognitive load in multimedia teaching is an important factor affecting teaching effect. The mathematics knowledge of junior high school itself is complex and abstract, and it is easy to produce higher cognitive load in the process of multimedia teaching. The starting point and ultimate goal of this study are how to design teaching reasonably, make multimedia teaching materials and find the control method of cognitive load. Based on the literature analysis, through in-depth interviews and investigations, this paper finds out the current application of multimedia in mathematics teaching in junior high school and the present situation of multimedia teaching effect in mathematics, and combs the existing research results of cognitive load in multimedia teaching. In view of the present situation, this paper first analyzes the source of cognitive load in mathematics multimedia teaching in junior high school, then analyzes which cognitive load is produced, and then analyzes which mathematics knowledge content is suitable for multimedia teaching in junior high school. In view of the specific cognitive load, the mathematical content suitable for multimedia teaching is based on multimedia teaching theory, cognitive load theory, working memory theory and multimedia learning cognitive theory. This paper analyzes the causes of cognitive load, and probes into the control methods of cognitive load from two aspects: the elements of multimedia teaching design and the design of multimedia teaching materials, such as the teaching objective segmentation method. Geometric concept, graph and text are combined with presentation method and key marking method. Finally, by using the comparative research method, the "key marking method" and "proximity tracing presentation method" are combined to make multimedia teaching materials, and the produced teaching materials are applied to the practical multimedia teaching practice. In order to test the effectiveness of the control method, the cognitive load intensity and the learning effect of the students were measured and compared with the results of the control group. To a certain extent, the research on the control method of cognitive load can provide some references and suggestions for the effectiveness of multimedia teaching in junior high school mathematics, in order to improve the effect of multimedia teaching in junior high school mathematics.
【学位授予单位】:宁波大学
【学位级别】:硕士
【学位授予年份】:2012
【分类号】:G434;G633.6
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