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https://doi.org/10.3938/NPSM.67.1488
Effects of Understanding an Improvement Program for the Characteristics of Currents According to the Connection Methods of Batteries in Simple Electric Circuits
New Phys.: Sae Mulli 2017; 67: 1488~1502
Published online December 29, 2017;  https://doi.org/10.3938/NPSM.67.1488
© 2017 New Physics: Sae Mulli.

Minseog KANG1, Aekyung SHIN*2

1 Aewol Elementary School, Jeju 63043, Korea
2 Department of Science Education, Teachers College, Jeju National University, Jeju 63294, Korea
Correspondence to: akshin@jejunu.ac.kr
Received September 15, 2017; Revised October 10, 2017; Accepted October 28, 2017.
cc This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
The purpose of this study is to investigate the effects of the understanding improvement program about the characteristics of currents according to the connection methods of batteries. Fifteen elementary school teachers divided into the five small groups were tested, by using a questionnaire, on the concepts about the characteristics of currents before and after implementing the program. The degree of understanding and the levels of the concept were defined as a quantitative change and a qualitative one, respectively, to inspect more minutely the effects of the program in this study. Then, the changes in the concepts had by the teachers before and after implementing the program were analyzed based on the definitions. The results of the analysis showed that the understanding improvement program was effective in improving the concepts of elementary school teachers, both quantitatively and qualitatively, about the characteristics of the currents according to the connection methods of batteries. 
PACS numbers: 01.40.eg
Keywords: Electric circuit, Connection methods of batteries, Characteristics of current, Elementary school teachers, Effect of understanding improvement program


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