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구조화 정도가 다른 수학적 동형 문제 사이의 유추적 전이 분석

Analysis on Analogical Transfer between Mathematical Isomorphic Problems with Different Level of Structuredness

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초록

본 연구의 목적은 구조화 정도가 다른 수학적 동형 문제 사이의 유추적 전이를 분석하는 것이다. 이를 위해 다음과 같은 연구문제를 설정하여 분석하였다. 첫째, 구조화 정도가 다른 수학 문제를 해결하는데 사용된 전략의 변화 양상은 어떠한가? 둘째, 구조화된 문제와 비-구조화된 문제를 해결하는데 비례식 알고리듬 전략을 사용한 학생과 그렇지 않은 학생의 문제해결 특징은 어떠한가? 연구 결과를 다음과 같다, 첫째, 구조화 정도가 낮은 문제의 해결에서는 곱셈적 전략의 사용빈도가 증가하였으며, 반대로 비례식 알고리듬 전략 사용빈도는 감소하였다. 둘째, 비와 비례에 대해 개념적 이해 수준이 높은 학생은 구조화정도가 다른 문제들 사이의 구조적 유사성을 인식하고, 비례식 알고리듬 전략을 사용해 문제를 성공적으로 해결하였다. 이 연구는 학생들의 유추적 전이 능력을 신장시키기 위해 수학 수업은 어떠한 점에 초점을 맞추어야 하는지와 그리고 유추적 전이 연구에 대한 새로운 방법론적 대안을 제시했다는 점에서 그 의의를 찾을 수 있다.

Abstract

This study aims to find whether the solutions for well-structured problems learned in school can be transferred to the moderately-structured problem and ill-structured problem. For these purpose, research questions were set up as follows: First, what are the patterns of changes in strategies used in solving the mathematics problems with different level of structuredness? Second, From the group using and not using proportion algorithm strategy in solving moderately-structured problem and ill-structured problem, what features were observed when they were solving that problems? Followings are the findings from this study. First, for the lower level of structuredness, the frequency of using multiplicative strategy was increased and frequency of proportion algorithm strategy use was decreased. Second, the students who used multiplicative strategies and proportion algorithm strategies to solve structured and ill-structured problems exhibited qualitative differences in the degree of understanding concept of ratio and proportion. This study has an important meaning in that it provided new direction for transfer and analogical problem solving study in mathematics education.

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