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KMID : 1059520060500050385
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Journal of the Korean Chemical Society
2006 Volume.50 No. 5 p.385 ~ p.393
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The Effects of Science Inquiry Learning Applying Open- Ended Hypothesis-Testing Learning Model: On the ‘Metals and Their Applications’ Unit in Chemistry I
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최원호/Choi WH
정대홍/방정아/최취임/Jeong DH/Bang JA/Choi CI
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Abstract
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In this study, we analyzed the effects of science inquiry learning that applies open-ended hypothesis-testing learning model in a high school chemistry class of grade 11 in respect of science process skills, science-related attitude, and appreciation towards science class by cognitive level. Open-ended science inquiry learning activities on ‘Metals and their applications’ unit in Chemistry I were developed and applied to the treatment groups while the conventional science activities were applied to the control groups. Four classes of 92 students in a high school located in Seoul were assigned into the treatment and control groups, respectively. According to the results in the test of science process skills, the students treated with the alternative experiments emphasizing open-ended hypothesis-testing obtained higher scores in ‘experimental design’, ‘data conversion and description’, and ‘hypothesis test’ than those with conventional experiments but not in ‘problem cognition and definition’ and ‘hypothesis fixing’. There was negative effect on science-related attitude due to increased roles and tasks in the open-ended science inquiry learning activities.
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