고래 과제에서 과학고등학교 학생들이 고안한 가설 검증 방법의 분석을 통한 실험 설계 능력 지수 산출식의 개발
Development of the Quotient Equation of Experimental Design Ability by Analysis of the Science High School Students' Hypothesis-testing Methods Generated in the Whale Task
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The purpose of this study was to develop an equation, which could quantitatively evaluate individual's experimental design ability. To the attainment of our goal, 9 science high school students were participated in this study. Experimental design task about whale was generating hypothesis on the following question: 'Whales spend much of their lives in freezing cold Arctic and Antarctic waters. How do they stay warm in such cold water?' and designing experiments for testing their hypothesis. The experimental designs that generated by them was analyzed by 4 major factors(type, richness, diversity and elaborateness) which was extracted from important component of the classified types. Then, general equation which could quantitatively and objectively evaluate individual's experimental design ability was invented by an inductive method. After considering all the factors, we reached following equations. ‘DQ = ∑{DEn × ∑(TEn × EEn)}’. According to this results, whale task and experimental design ability quotient(DQ) equation which invented in this study may be applied a practical use of measuring students' ability of scientific experimental design.
Abstract
The purpose of this study was to develop an equation, which could quantitatively evaluate individual's experimental design ability. To the attainment of our goal, 9 science high school students were participated in this study. Experimental design task about whale was generating hypothesis on the following question: 'Whales spend much of their lives in freezing cold Arctic and Antarctic waters. How do they stay warm in such cold water?' and designing experiments for testing their hypothesis. The experimental designs that generated by them was analyzed by 4 major factors(type, richness, diversity and elaborateness) which was extracted from important component of the classified types. Then, general equation which could quantitatively and objectively evaluate individual's experimental design ability was invented by an inductive method. After considering all the factors, we reached following equations. ‘DQ = ∑{DEn × ∑(TEn × EEn)}’. According to this results, whale task and experimental design ability quotient(DQ) equation which invented in this study may be applied a practical use of measuring students' ability of scientific experimental design.
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