Journal of the Korea Society of Computer and Information (한국컴퓨터정보학회논문지)

Korean Society of Computer Information (한국컴퓨터정보학회)
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Digital Contents for Learning Computer Science using Unplugged CS

  • Han, Sun-Gwan (Dept. of Computer Education, Gyeongin National University of Education)
  • Received : 2019.04.29
  • Accepted : 2019.05.30
  • Published : 2019.06.28
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Abstract

This study focused on the design and development of contents using Unplugged CS method to learn computer science knowledge. With the strengthening of software education, all universities students including elementary and junior high school students are demanding knowledge of computer science centered on the computational thinking. We have developed educational contents using unplugged computing method as a way to effectively learn the concept of computer science. First, we analyze the related research of Unplugged CS theory and investigate the educational method accordingly. And we divided the areas of computer science and selected learning concepts in each area. The contents of learning were divided into basic and intermediate classes considering the level of the learner. The subject of learning contents was selected evenly in the area of computer science and it consisted of 16 basic subjects and 16 intermediate subjects based on concepts that are important in each field. In order to confirm the validity of the Unplugged CS learning topic and the development contents for computer science, we conducted expert reviews and content validity tests. As a result of the validity test, the validity of the learning topic and area selection was found to be more than .92 for the CVI value and the validity of the 32 subject learning contents was over .935 in basic level and .925 in intermediate level for the CVI values. Based on the design contents, we developed digital contents for online learning and put them in the system. We expect that this study will contribute to the understanding of computer science for all, including elementary and junior-high school students as well as students at software - oriented universities, and contribute to the spread of software education.

Keywords

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Fig. 1. Instruction Strategies for Unplugged Contents

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Fig. 2. Screen of Developed contents

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Fig. 3. Worksheets of Unplugged contents

Table 1. Types of Unplugged CS

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Table 2. Contents of Unplugged CS (Basic-level)

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Table 3. Contents of Unplugged CS (Intermediate-Level)

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Table 4. Experts for Validity Testing

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Table 5. Validity Analysis of Content Design(n=11)

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Table 6. Test results of CVI (n=11)

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