그림 1. 사용성에 대한 문제점 발견비률 Fig. 1 Proportion of usability problems found
그림 2. 사용성 비용대비 이익비율 Fig. 2 Ration of benefits to costs
그림 3. 사용성 평가요소 선별 Fig. 3 Selected usability assessment elements
표 1. 사용성 평가요소 연구사례 Table 1. Usability assessment elements
표 2. 주요 성분 분석 Table 2. principal component analysis
표 3. 사용성 요인분류의 신뢰성 분석 Table 3. reliability analysis of different factors
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