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http://dx.doi.org/10.15523/JKSESE.2022.15.2.285

Characteristics of Science-Engineering Integrated Lessons Contributed to the Improvement of Creative Engineering Problems Solving Propensity  

Lee, Dongyoung (Busan Donggung Elementary School)
Nam, Younkyeong (Pusan National University)
Publication Information
Journal of the Korean Society of Earth Science Education / v.15, no.2, 2022 , pp. 285-298 More about this Journal
Abstract
This study is to investigate the effects and characteristics of science and engineering integrated lessons on elementary students' creative engineering problem solving propensity (CEPSP). The science and engineering integrated lessons used in this study was a 10 lesson-hours STEM program, co-developed by University of Minnesota and Purdue University. The program was implemented in the 6th grade science class of H Elementary School located in P Metropolitan city. The main data of this study are the pre-post CEPSP result and interview with 5 students collected before and after the research. The CEPSP result was analyzed by a paired-sample t-test and hierarchical cluster analysis. As a result of the t-test, it was found that overall, the program has a positive effect on the students' CEPSP score. As a result of cluster analysis, it was confirmed that studnets' CEPSP could be classified into two groups (lower and higher score cluster). Five students whose, CEPSP score has significantly improved after the lessons were interviewed to find out what the characteristics of the program that contribute the significant change are. As a result of conducting centroid analysis of the interview transcription and the hybrid analysis method, it was found that the meaningful experiences that the five students commonly shared were 'problem solving through collaboration' and 'through repeated experiments (redesign)', problem solving' and 'utilization of scientific knowledge'. As minor reactions, 'choice of the best experimental method' and 'difference between science and engineering' appeared.
Keywords
science-engineering integrated education; engineering design; semantic network analysis; degree centrality;
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Times Cited By KSCI : 7  (Citation Analysis)
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