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Comparison of Hypotheses-Formation Processes between an Earth Scientist and Undergraduate Students: A Case Study about a Typhoon's Anomalous Path  

Oh, Phil-Seok (Gyeongin National University of Education)
Publication Information
Journal of The Korean Association For Science Education / v.28, no.6, 2008 , pp. 649-663 More about this Journal
Abstract
The purpose of this study was to compare the processes of making hypotheses concerning the anomalous path of Wukong, a typhoon that came close to Korea recently, between an earth scientist and undergraduate students. Data were obtained through interviews with a practicing earth scientist as well as five undergraduate students. Inquiry reports of the students were also analysed. The result showed that while the earth scientist conducted a case study with already-established models of typhoon, the students were enabled to work on the specific case of Wukong only after they learned general theories on typhoons. Background knowledge played an important role for the scientist and students to formulate scientific hypotheses. Both the earth scientist and undergraduate students generate multiple working hypotheses, and they considered a couple of conditions to select more plausible hypotheses, including theoretical coherence, causative processes, and consistency with empirical data. Despite these similarities, there were differences in the scope and depth of background knowledge between the scientist and students. In addition, it was not likely that the undergraduate students possessed explicit perceptions of the conditions which could make a hypothesis more probable, except for the empirical consistency. Implications for science education and relevant research were discussed.
Keywords
earth science; hypothesis; background knowledge; multiple working hypotheses;
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Times Cited By KSCI : 4  (Citation Analysis)
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