유전 개념의 이해를 위한 염색체 모형 이용 수업의 효과
The Effect of a Teaching with Chromosome Model on the Understanding of Genetics
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Abstract
Mendelian genetics is one of major themes in the secondary level of biology education. But students have difficulty in studying it because of the abstract and dynamic attributes of genetic concepts. The purpose of this study is to investigate the effects of dynamic model on student motivation and understanding of genetic concepts. For this study, 234 10th graders in 6 classes were sampled from a high school in Seoul, Korea. The students were divided into three groups for implementation of the program, two experimental groups and one control group. The model with dynamic and stochastic attributes was shown to students by a teacher in the experimental group I, while it was used by students in experimental group II. In the control group, the contents of a science textbook were taught in the traditional way. The results of this study were very informative. Students in the experimental group II showed higher records at the achievement test, and the differences were statistically significant. And students in the experimental group II showed higher interest about the teaching method and the learning content than those in the experimental group I and the control group.