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논문 기본 정보

자료유형
학술저널
저자정보
Seokha Koh (Chungbuk National University) You-Jeong Koh (Reflexion Corporation)
저널정보
한국데이터전략학회 Journal of Information Technology Applications & Management Journal of Information Technology Applications & Management Vol.25 No.3
발행연도
2018.9
수록면
17 - 28 (12page)

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초록· 키워드

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In this paper, an activity-oriented usability model is proposed. The usability model contains two types of characteristics: special-type characteristics of usability and sub-characteristics of usability. Workability, study-ability, and playability are, but do not exhaust, examples of special-type characteristic of usability. They correspond to working, studying, and playing using the software product, respectively. They represent the goal of using and can overlap each other. They are usability too by themselves.
Navigate-ability, data-prepare-ability, data-input-ability, response-wait-ability, output-examine-ability, and output-utilize-ability are typical examples of sub-characteristics of usability. They correspond to navigating, preparing data, inputting data, waiting response, examining output, and utilizing the output data, respectively. They are not usability by themselves. They constitute usability together as a group.
Assessing is the fundamental and indispensable aspect of quality. Without assessing, the concept of quality has little practical value. Satisfaction, effectiveness, and efficiency are the most typical subcharacteristics of usability in existing quality models, which correspond to the evaluation criteria of usability. In the activity-oriented usability model, however, only the user’s satisfaction is included: Satisfaction is regarded as the operational definition of usability in the user’s view. As the result, usability can be interpreted as the ‘goodness for using, which is evaluated by the user.’
Three fundamental principles regarding software quality models are proposed too in this paper: Principles of Parsimony, Cohesiveness, and Inheritance. Discussions illustrate well that typical existing usability models violate these basic principles. Many authors have tried to define general usability models which can be applied to most kinds of software. The dream of the general and universal usability model, however, may be an illusion. The activity-oriented usability model is expected to serve as a prototype from which specialized usability models can be derived.

목차

Abstract
1. Introduction
2. Types of Activity Associated with Using Software
3. A Tentative Usability Model Based on the Activity Model
4. Discussions
5. Conclusions
References

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UCI(KEPA) : I410-ECN-0101-2018-005-003546829