NVivo를 활용한 전문가 교사와 예비 교사의 시각화 과정 특성 비교 분석 연구
A Study on the Comparative Analysis of Visualization Process between Expert teachers and Pre-service teachers through the Nvivo
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초록
정보와 자료가 급증하는 현대사회에서 교사의 역할은 단순 정보 전달에서 지식을 재창출하고 공유하는 활동이 기대된다. 특히, 교수학습 활동 현장에서 의도된 정보를 제공하기 위해서 직접 수업을 설계하고 자료를 준비한 풍부한 경험의 교사들은 그렇지 못한 예비교사에 비해 효과적이고 효율적인 접근을 한다.본 연구에서는 전문가 교사 3인과 초보자 예비교사 3인을 대상으로 수업활동을 위한 자료 제작과정에서 초기 아이디어 스케치 과정을 비디오로 녹화하여 컴퓨터 활용 질적분석도구인 NVivo를 활용하여 분석하였다. 전문가와 초보자의 코딩값을 중심으로 큰 차이가 나는 코드값을 비교하여 추가로 과제 참여자에게 인터뷰를 실시하여 그 원인을 분석하였다.연구 결과로 분석을 위한 코드 분석 범주 체계를 도출하였다. 분석 범주 체계를 바탕으로 NVivo 코드 분석 결과 최초의 상부 5개의 노드와 하부노드(72개+자유노드)들은 최종 5개의 대분류 코드와 49개의 세부 코드로 압축할 수 있었다. 코드 분석 결과로 전문가 교사는 분석단계보다 결정단계에서 초보자보다 정교한 시각화 활동을 하였다. 정교한 시각화 활동으로는 다이어그램, 박스, 예시 들기 등의 시각적 전략을 사용하였다.
Abstract
The purpose of this study is to compare characteristics of visualization process between experts and novices. The methods and procedures of the study involved the following steps: (a) Through the literature reviews of visualization process, the concept of visualization and the aspect of understanding, design, presentation were examined. (b) NVivo was used as collecting and analyzing tool in order to qualitative and quantitative analysis. (c) Collected data were analyzed. The subjects of the study were three experts and three novices. While participants were performing the visualization tasks, the data were generated. The generated data has been collected by means of audio and video device. Findings from NVivo code analysis were as follows: Although both experts and novices used the visual strategy during their visualization process, there were significant qualitative differences. Whereas experts used visualization strategies such as simple abstract, diagram, metaphor, analogy, table, and so on, novices used the strategies such as paragraphic abstract, sophisticated abstract, and tables. Unlike novices who mainly focused on analysis and conceptualization or the tasks, experts were utilizing diverse visualization strategies. The findings suggested that education on visualization for pre-service teachers should focus on use of metaphor, diagram or table instead of precise summary on contents.
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