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Analysis on the Aspect of Learners' Explorations Reflected in High School Informatics Textbooks Based on the 2015 Revised National Curriculum

2015 개정 교육과정에 근거한 고등학교 정보 교과서의 탐구성 분석

  • Received : 2018.11.09
  • Accepted : 2019.01.28
  • Published : 2019.05.31

Abstract

In this research, one common chapter, Problem Solving and Programming, in seven different types of high school informatics textbooks was analyzed in terms of the aspect of learners' explorations. These textbooks were newly developed based on the 2015 revised national curriculum. Romey's analysis was used to the textbooks along with four analytic elements: texts, data, activities, and evaluation. The study results showed that the textbooks can highly encourage learners' further explorations according to the four analytic elements reflected in the seven textbooks: one out of the six textbooks well designed for texts, three for data, six for activities, two for evaluation. In terms of Romey's involvement index points, six of the seven textbooks had low indexes of texts, ranging from 0.175 to 0.393. Data indexes were extremely low in four out of the seven textbooks, ranging from 0.058 to 0.226. Five out of the seven textbooks had very high indexes of evaluation in the broad range of 2 to 6.333 points. Furthermore, these newly designed textbooks can more greatly facilitate students' explorations than previously existing textbooks in three elements: texts, data, and activities. Evaluation indexes significantly increased in these new textbooks from 0.916 to 3.914, which had excessive points in terms of promoting students' explorations. Further methods to improve the textbook quality is proposed based on the results from this analysis.

본 연구에서는 2015 개정 교육과정에 기초하여 개발된 고등학교 '정보' 교과서의 '문제 해결과 프로그래밍' 단원에 대한 탐구성을 분석하였다. 7종 교과서에 Romey 분석법을 적용하였으며, 4개 분석항목인 본문, 자료, 활동, 평가에 대한 분석을 수행하였다. 연구 결과에 따르면, 본문, 자료, 활동, 평가의 항목에서 각각 1종, 3종, 6종, 2종의 교과서가 탐구성이 높은 것으로 나타났다. 그리고 Romey 평가지수를 기준으로 6종 교과서의 본문이 0.175~0.393로 낮게 분포되었으며, 자료 항목에서 4종 교과서가 0.058~0.226로 매우 낮았다. 평가 항목은 5종 교과서가 2~6.333로 매우 높게 분포되었으며, 교과서 간의 편차도 큰 것으로 나타났다. 그리고 새로운 교과서가 본문, 자료, 활동의 3개 분석항목에서 이전 교과서보다 탐구성이 향상되었으며, 평가 분석항목은 Romey 지수가 0.916에서 3.194로 크게 증가하여 탐구성이 과도한 것으로 나타났다. 본 연구에서는 이러한 분석 결과를 토대로 교과서의 개선 방안을 제안하였다.

Keywords

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Fig. 1. The Romey Index of Text Element in Textbooks

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Fig. 2. The Romey Index of Data Element in Textbooks

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Fig. 3. The Romey Index of Activity Element in Textbooks

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Fig. 4. The Romey Index of Evaluation Element in Textbooks

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Fig. 5. Comparison of Textbooks with Changes in Curriculum

Table 2. Preliminary Research on Informatics Textbooks

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Table 1. Units and Core Concepts of Informatics Subject

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Table 3. Application of Romey Analysis for Each Element

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Table 4. Availability of Factors for Different Contents onto which Romey Analysis is Applied

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Table 5. An Example of Romey Analysis Conducted for Each Sentence in Different Pages

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Table 6. The Comparison of Textbook Organization

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Table 7. Evaluation Index by Unit for the Text Element

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Table 8. Evaluation Index by Unit for the Data Element

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Table 9. Evaluation Index by Unit for the Activity Element

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Table 10. Evaluation Index by Unit for the Evaluation Element

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