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Kim, Dong-Joong; Kang, Hyangim; Lee, Hyun-Joo – International Education Studies, 2015
The purpose of this study is to investigate characteristics of limit concepts through the simultaneous use of historical and experimental epistemologies. Based on a historical epistemology which is an investigation of historical developments in a mathematical concept raised in the history of mathematics, four different developments of limit…
Descriptors: Foreign Countries, Elementary School Students, High School Students, Grade 5
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Kim, Daesang; Kim, Dong-Joong; Whang, Woo-Hyung – International Education Studies, 2013
The main focus of our study was to investigate multimedia effects that had different results from the findings of existing multimedia learning studies. First, we describe and summarize three experimental studies we conducted from 2006 to 2010. Then we analyze our findings to explore learner characteristics that may impact the cognitive processes…
Descriptors: Foreign Countries, Multimedia Instruction, Educational Experiments, Cognitive Processes