npsm 새물리 New Physics : Sae Mulli

pISSN 0374-4914 eISSN 2289-0041
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Research Paper

New Phys.: Sae Mulli 2020; 70: 595-602

Published online July 31, 2020 https://doi.org/10.3938/NPSM.70.595

Copyright © New Physics: Sae Mulli.

The Effects of Experimental Activity with Computing Thinking Expression on Elementary School Students' Scientific Models

Eunju KANG, Jina KIM*

Department of Physics Education, Pusan National University, Pusan 46241, Korea

Correspondence to:mailtojina@pusan.ac.kr

Received: April 28, 2020; Revised: May 18, 2020; Accepted: June 8, 2020

Abstract

The purpose of this study was to investigate the effects of experimental activities applied to flowcharts corresponding to unplugged forms in computing education on scientific model generation by students. The subjects of the study were 23 comparison groups who conducted experiment activities under the guidance of teachers and 24 experiment groups who applied flowchart expressions to experiment activities. As a result of the students' scientific model test, the pre-test result did not show a significant difference between the two groups, but the post-test result showed a statistically significant difference. In addition, as a result of calculating the gain index by using the pre-post scores of the scientific model level generated by the comparison group and the experimental group, we found that the comparison group showed a low educational effect of 0.29 whereas the experimental group had a 0.67, which is a relatively high educational effect. Through this, we confirmed that the flowchart, which is an expression of computing thinking, had a positive effect on the scientific model generation by elementary school students.

Keywords: Computing thinking, Flowchart, Scientific model, Electromagnet

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