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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
한국생물교육학회 생물교육 생물교육 제47권 제2호
발행연도
2019.1
수록면
251 - 262 (12page)

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초록· 키워드

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This study aimed to explore differences between successful and unsuccessful problem-solvers’ representational competence revealed by the solving of two genetic problems in different presentational modes. Four high school students participated in solving two genetic problems that contained diverse genetic concepts and required complex reasoning. Representational competence was analyzed with the form of representation, the level of abstraction and the accuracy of domain knowledge in representation. The student who solved the problem successfully, presented via the verbal mode, selected the appropriate form of representation such as Punnett square and diagram of chromosomes. Her representation showed a high level of abstraction and accurate domain knowledge. The students who solved the problem presented via verbal, graphical, and table modes constructed the pedigree commonly. The successful students, however, transformed the original representation into pedigree so perfectly that it accurately reflected the domain knowledge of the original representation. The students used their representation for understanding information of the problems, thereby reasoning the right answers, visualizing and monitoring the problem-solving process. These findings may provide educational insights for educators who seek to understand the relationship between genetic problem-solving processes and representation.

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