• 산업공학
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• 제22권1호
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• pp.17-25
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• 2009

In mobile device's user interface, menu organization is very important as well as menu structure because small display of mobile device. Menu items should be organized based on user knowledge structure to design user-centered interface. Traditionally, MDS (Multidimensional Scaling) have been most often used to expose users' perceived organization of menu items. But, information that MDS reveals is just relative spatial location of concepts and not relevant to concepts connection. Unlike MDS, Trajectory Mapping explicitly finds users' cognitive links between perceived concepts. This study proposes a Trajectory Mapping technique for eliciting knowledge structure, especially a set of cognitive pathways linking menu items, from end user. With twelve participants, MDS and Trajectory Mapping were conducted using cellular phone's menu items. And user knowledge structure was analyzed through Visual Concept Map that combination of results of MDS and Trajectory Mapping. After then, menu items were organized according to users' perceived organization. Empirical usability test was also conducted. The results of usability test showed that usability, in terms of task performance time, number of errors, and satisfaction, for newly organized interface was significantly improved compare to original interface. The methodology of this study is expected to be applicable to design a user-centered interface. In other words, Trajectory Mapping technique can be used as a design tool of user interface for imposing user knowledge structure on the interface.

• 한국정보시스템학회지:정보시스템연구
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• 제19권1호
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• pp.117-148
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• 2010

The user interface (UI) is the part of the systems that users can see, hear and feel. That means, a user can interact with the systems through the user interface. Effective user interfaces create positive feelings of success and competence. In addition, they enable users to concentrate on their work, exploration, or pleasure. The German word "Gestalt" means "whole" as well as a figure or a shape. A comprehensive information systems (IS) literature review found that there has been little empirical evidence on the Gestalt principles in UIs that affect online users' perceived usability in a Web context. Therefore, the goals of this study are to 1) examine the relationships between Gestalt principles in UIs and online users' perceived usability in a Web context and 2) come up with design guidelines to enhance user success. Using a survey, this study explored the relationships between Gestalt principles used in six Web sites and 17 aspects of usability. The results showed that in terms of 16 aspects of usability, there are significant differences among the UIs that have different levels of Gestalt principles. In practice, online stores may use these findings to improve their Web pages. Specifically, the sixteen usability attributes can be used to check whether online stores' Web pages meet customers' user interface quality expectations.

• 스마트미디어저널
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• 제6권4호
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• pp.79-87
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• 2017

본 논문은 기존 노년층과는 다른 특성을 보이는 액티브 시니어의 사용자 경험 문제를 도출해 내기 위한 연구로 먼저 선행 연구분석을 통하여 'Visible', 'Desired Outcome', 'Immediate Feedback', 'Intuitiveness', 'Perceived Ease of Use'의 다섯 가지 요소를 사용자 interaction의 초기단계를 이루는 요소로 추출하였고 이를 기반으로 Interface 사용 중에 사용자의 행위와 인지 내용을 분석하였다. 이를 통해 사용과정에서 생기는 문제점을 도출하였으며, 다섯 가지 요소와 사용자의 주관 평가 간의 상관관계를 분석하였다. 사용자 경험의 주관 평가에는 PSSUQ를 사용하였으며 SPSS 22 버전을 사용하여 pearson 상관 분석을 실시하였다. 본 논문의 연구결과는 다음과 같다. 첫째, App 사용 시 액티브 시니어 사용자들이 겪는 가장 큰 문제는 desired outcome차원의 문제로 볼 수 있다. 둘째, interface assessment 다섯 가지 요소 중 'Desired Outcome', 'Perceived Ease of Use' 두 가지 요소만이 PSSUQ 설문 결과와 통계적으로 유의미한 상관관계를 보이는 것으로 나타났으며 나머지 'Visible', 'Immediate Feedback', 'Intuitiveness'의 세 요소는 사용자의 주관 평가와 상관관계를 보이지 않았다. 본 논문의 연구결과에 의하면 액티브 시니어는 기존의 노년층과는 다른 특징을 가지고 있어 'Desired Outcome'과 'Perceived ease of use'차원의 문제가 더 많은 영향을 미치는 요소로 볼 수 있으며 기존의 연구에서 중요한 요소로 거론한 'Visible', 'Immediate feedback', 'Intuitiveness'는 명확한 상관관계가 없는 것으로 볼 수 있다. 이는 기존 노년층과 달리 액티브 시니어의 경우 PC나 스마트폰 사용 경험의 누적으로 인하여 visible, immediate feedback, intuitiveness 등의 요소에 어려움을 적게 겪기 때문인 것으로 보인다. 본 논문의 연구 결과는 다양한 수요를 보이고 있는 액티브 시니어용 App의 개발에 의미 있게 활용될 것이다.

• 정보관리학회지
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• 제27권3호
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• pp.53-66
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• 2010

디지털 정보환경에서 하나의 단일기능에서 복잡한 복합기능으로 새롭게 발전하고 있는 정보매체의 사용자 인터페이스 특성은 이용의도 향상을 위한 새로운 사용자 인터페이스 평가방법을 요구하고 있다. 본 연구는 정보매체의 인터페이스 특성을 하드웨어 구성요소인 물리적 컨트롤 구조특성과 정보내용의 명확성을 전달하는 콘텐츠 표현 특성으로 구분하여 정보매체의 기술수용관점에서 이용의도 향상을 위해 고려되어야 할 인터페이스 특성에 대해 논의하였다. 물리적 컨트롤 인터페이스, 콘텐츠 표현 인터페이스 특성요인으로 148명의 사용자에 대한 설문내용을 기초로 정보매체의 기술수용과 관련된 인지된 유용성, 인지된 이용 용이성, 그리고 이용의도에 대한 가설을 검증하였다. 연구결과 물리적 구조 인터페이스와 콘텐츠 표현 인터페이스 특성은 인지된 유용성에 유의한 영향을 미치는 것으로 파악되었으며, 정보매체의 이용 의도는 인지된 유용성과 인지된 이용 용이성에 의해 영향을 받는 것으로 밝혀졌다. 본 연구를 통해 사용자 인터페이스에 대한 설계는 디자인 관점에서 접근하기 보다는 성능에 대한 유용성 평가과정 그 자체로서 물리적 구조 인터페이스와 콘텐츠 표현 인터페이스 특성의 중요성을 확인하였다.

• Asian Journal of Business Environment
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• 제7권2호
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• pp.21-29
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• 2017

Purpose - Because of the development of smartphone and communication technology, Smart TV programs are filled with various contents and applications. This study included additional individual variables like innovativeness and self-efficacy, and characteristics of smart TV are both user-interface and function as exogenous factors based on TAM model. So, this study focuses on identifying the influencing factors of continuous use intention of smart TV traits and user ones and analyzing how they make influences on them in China market. Research design, data, and methodology - Totally 182 samples were adopted as appropriate ones for analysis in this study. They were collected from 20 February 2016 to 10 March 2016. Results - The results are as follows. First, function has positive influence on perceived usefulness. Second, innovation and user-interface make affirmative influences on perceived easiness. Third, perceived easiness has affirmative influence on perceived usefulness. Fourth, the perceived easiness and perceived usefulness make positive ones on continuous use intention. Fifth, perceived ease of use affects significantly on perceived usefulness. Conclusions - According to the findings, they (smart TV traits and user traits), influencing on continuous use intention, are possible to give significant implications on persistent development in China smart TV market.

• 지식경영연구
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• 제23권2호
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• pp.83-98
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• 2022

본 연구는 메타버스에서의 사용자 인터페이스에 따른 미디어 풍요성, 그리고 이에 따른 사용자의 경험을 메타버스 내에서 사용자의 객관적인 퍼포먼스, 사용자의 주관적인 사용자 인터페이스 인식, 현존감, 그리고 사용자가 느낀 즐거움이라는 측면에서 다각적으로 분석한다. 2(UI 상호작용성: HUD vs. 고정 UI) × 2(시각적 단서: 유 vs. 무 )그룹내 반복측정 실험 결과, 사용자들은 시각적 단서가 존재할 때 객관적인 지표와 주관적인 지표 모두 보다 긍정적으로 나타났다. 또한, 메타버스 사용자가 경험한 즐거움에 있어서 인터페이스에 대한 유용성에 대한 인식의 유의미한 매개효과가 발견됐다.

• 한국멀티미디어학회논문지
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• 제25권3호
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• pp.528-536
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• 2022

The purpose of this study is to help preschool children in the interface design of educational game APP at the psychological level. The conceptual model is constructed through the Technology Acceptance Model (TAM) to explore the perceived usefulness and perceived ease of use when children are playing educational game APP. The empirical study was conducted in the form of questionnaires collected after children used game. The research subjects were 3-6 years old children, and the research tool was the game app. Data collection under the guidance of their parents. The research shows that children educational game experience elements can effectively increase preschool children's psychological perception of educational games. Perceived ease of use also increases trust in educational games for children. The results were as follows: 1. Cronbach's Alpha and KMO were 0.969 and 0.955, and the P value was significant, which passed the reliability and validity test. 2. Through confirmatory factor analysis (Model fit index, Composite reliability, discriminant validity), we found that user experience is closely related to perceived usefulness and perceived ease of use. 3. The path analysis of the relationship proves that perceived ease of use play a key role in trusting preschool children educational game APP.

• 한국경영정보학회:학술대회논문집
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• 한국경영정보학회 2007년도 International Conference
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• pp.488-493
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• 2007

The main goal of this study is to propose a model of simplicity and interactivity effect on usability in the blog services. As web-based applications become increasingly complicated, the need for simplicity in user interface design has grown for better usability. Also, interactivity has been known to influence on usability. Previous studies argued that usability is a key factor for system success. Usability is concerned with attributes of an application that makes it understandable, learnable, easy to use, and attractive. For the complicated technology, perceived control, related to direct manipulation of an object, is important. In this regard, we posit that simplicity, interactivity, and perceived control makes important antecedents to usability. Finally, we tested that the effect of usability on user s loyalty with the blog services along with trust and satisfaction. Future studies will empirically examine the proposed model, emphasizing the importance of simplicity and interactivity for the user interface design.

• 한국컴퓨터정보학회논문지
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• 제27권9호
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• pp.217-224
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• 2022

본 연구는 D&M 모델과 ECM모델을 기반으로 소비자가 대중교통 모바일 결제 앱을 지속적으로 사용하는 데 영향을 미치는 연구 모델을 구축하였다. 온라인 설문조사를 통해 중국 베이징지역에서 264개의 유효한 설문지를 획득하여 Smartpls3.0으로 분석하였다. 연구 결과는, 지각된 정보의 질, 지각된 시스템의 질, 그리고 지각된 인터페이스 설계의 질은 지각된 유용성과 만족을 통하여 소비자 지속적 사용의도에 유의한 긍정적 영향을 미치는 것으로 나타났다. 지각된 기능의 질은 단지 지각된 유용성만을 통해 지속적 사용의도에 긍정적인 영향을 미치는 것이다.

• 산경연구논집
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• 제9권5호
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• pp.47-62
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• 2018

Purpose - Based on preceding studies, this thesis focuses on the finding of the definition and category of mobile tourism application and deriving out its characteristics. And after looking for how they make influences on continuous intention to use, we make empirical study with TAM model. Research design, data, and methodology - There are many Chinese tourist who visit Korea with user's constant intention to use of tourism application. This study is to find out the definition and category of mobile tourism application through research of preceding study and to fomulate the research model and hypothesis that how tourism application attributes (convenience, interaction, accessibility, local basis, security) affect constant intention to use of mobile tourism application. In order to verify a hypothesis, we conducted a survey for Chinese users of tourism application. In empirical study, we analyzed a structure model for frequency analysis, reliability analysis, exploratory factor analysis, validity analysis through IBM SPSS Statistics 21.0 and IBM SPSS AMOS 21.0 Results - Among tourism applications, convenience, interaction, accessibility and local basis have positive effects on both perceived usefulness and perceived easiness respectively. But security does not. Also perceived easiness has a positive effect on perceived usefulness. Finally, perceived usefulness and perceived easiness have positive effect on constant intent to use. Conclusions - Tourism application enterprises should put emphasis on design such as menu or function in order to simplify the operation of new services for new customers. Therefore, comfortable user interface and development of useful function can improve tourism application. Consequently, it leads to the promotion of tourism application. Also, when users perceive tourism application as a useful media which is easy, comfortable and useful content, the degree of constant intention to use becomes increased. It is important to provide plentiful and useful contents for customers and to develop user interface such as easy operation because these factors have positive effects on constant demand and use of tourism application.