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http://dx.doi.org/10.14697/jkase.2017.37.6.1015

An Effect of Analogy Scaffolding for Middle School Students' Explanatory Hypothesis Generation on Water Wave Interference Phenomenon  

Kim, Wonsook (Pusan National University)
Kim, Youngmin (Pusan National University)
Publication Information
Journal of The Korean Association For Science Education / v.37, no.6, 2017 , pp. 1015-1023 More about this Journal
Abstract
The purpose of this study is to investigate the process of development of explanatory hypothesis being generated by middle school students and the factors that affect the process in water wave interference phenomena by analogy scaffolding. For this purpose, the processes on how explanatory hypotheses were generated, revised, and then elaborated by analogy scaffolding were investigated and analyzed. The subjects for the study were 60 eighth grades students in one middle school divided into 12 groups according to their cognitive level measured by GALT. The research findings are as follows: First, it was found that there is a regular pattern in development of explanatory hypothesis by students about water wave phenomenon; second, the cognitive level of the student affected apparently on the students' hypothesis development process, however, it was also observed that students with inferior cognitive level could form a scientific explanatory hypothesis in the second stage of the scaffolding; third, the analogy scaffolding actually helped the students in formulating hypothesis. In conclusion, analogical reasoning can be a meaningful and powerful strategy for secondary school students to formulate explanatory hypothesis.
Keywords
water wave interference; hypothesis generation; analogy scaffolding; middle school student;
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