생각하는 과학 활동을 경험한 중학생들의 변인 통제 전략과 변인의 효과를 추론하는 능력에 대한 분석 = Analysis of the Ability to Infer the Effects of Variables and Variable-Controlling Strategy in Middle School Students who experienced Thinking Science Activities

다국어 초록 (Multilingual Abstract)

The purpose of this study was to analyze variable-controlling strategy (below vcs) and the ability to infer the effect of variables in Middle school students who experienced ``Thinking Science`` activities in a CASE program. For this study, 71 9th grade students experienced in CASE program for 2 years were selected as the experimental group and 72 students were selected as the control group. All students were tested with Science Reasoning TaskⅦ. The five types of variable-controlling strategy were extracted from students` response. According to the result of this study, the students experienced in CASE program was more successful in the variable-controlling strategy of length, quality, and shape than the control group. The types of reasoning ability of the variable effect intuitively were categorized as possibility of reasoning, impossibility of reasoning, and impossibility of reversible thinking. It has shown that the reasoning ability of the experimental group was higher than that of the control group in the length and thickness variable effect. The results of this study implied that the variable controlling activities in CASE program could be effective for learning variable controlling, and eventually, for the development of reasoning ability of the variable controlling effect. In the ability to infer the effects of variables to get difficult Intuitively, both groups were similar to the rate of cognitive level reached to the formal operation in generalization, and the student of experimental group was 1.5 times faster than the control group.

참고문헌 (Reference)

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