• Journal of Information Technology Applications and Management
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• 제26권3호
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• pp.99-120
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• 2019

The purpose of this study is to provide information necessary for establishing a new strategy for customer service improvement by deriving factors affecting user satisfaction and continuous use intention of mobile app service user characteristics, system characteristics, and social characteristics. The results of this study are summarized as follows. First, reliability, innovation, familiarity, convenience, and self-efficacy among the characteristics of mobile app are analyzed as factors that have the greatest influence on user's perceived usefulness. Second, convenience, mobility, and visibility are some of the characteristics of mobile app service. Third, identity, security, and expectation agreement among mobile app service characteristics are analyzed as negative factors that do not affect users' perceived usefulness. Fourth, interactivity, familiarity, and self-efficacy among the characteristics of mobile app service were analyzed as positive factors that have the greatest effect on user's perceived ease of use. Fifth, reliability, mobility, visibility, and convenience among mobile app service characteristics are analyzed as factors that have some positive effects on perceived ease of use of app users. Sixth, identity, innovation, and security among the characteristics of mobile app service are negatively influenced by mobile app users' perceived ease of use. Seventh, the perceived usefulness of mobile app users is analyzed as a factor that has a very positive effect on user satisfaction. Eighth, the perceived ease of use of mobile app users is analyzed as a factor affecting perceived usefulness positively. Ninth, the perceived ease and expectation of mobile app users are positively influenced on user satisfaction. The tenth, the perceived usefulness of the mobile app users was analyzed as a factor having a very positive influence on the persistent intention to use. For the eleventh, the perceived ease of use of mobile app users was analyzed as a factor having a positive effect on the persistent intention to use. The twelfth, mobile app user satisfaction was analyzed as a factor having a very positive effect on the persistent intention to use.

• 한국융합학회논문지
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• 제12권4호
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• pp.125-133
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• 2021

체험의 시대를 맞아 사용자 체험은 다양한 분야에서 주목받고 있으며 사용자 체험의 중요성을 강조하기 시작하였다. 본 논문은 스마트폰 의료 앱의 사용자 체험에서 중요한 요인이 무엇인지 분석하며 이러한 요인들의 상대적 중요도를 평가함으로써 의료 앱을 개발 시 우선시해야 할 사항에 대하여 제의를 하며 의료 엡 디자인의 최적화 및 서비스 품질 개선에 참고로 체공하고자 한다. 우선 사용자 체험 이론, 스마트폰 앱의 사용자 체험과 모바일 의료 앱에 관한 연구를 바탕으로 스마트폰 의료 앱 사용자 체험 요인을 정리한다. 다음으로 스마트폰 앱 다운로드 경험이 많고 의료 앱을 사용하는 20~40대 200명을 대상으로 설문조사를 실시하며 18가지 영향요인에 대하여 점수를 매긴다. 마지막으로 개발자가 새로운 앱을 개발할 경우 제품자원, 의료 광고 추천, 의사와 환자의 상호 작용성, 정서적 재미 유발, 응용 프로그램 학습 용이성 등의 영향요인이 사용자가 앱을 사용한 경우 좋은 체험을 얻게 하는 데 큰 영향을 미친다는 것을 알았다.

• 한국컴퓨터정보학회논문지
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• 제20권7호
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• pp.65-76
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• 2015

This study investigates predictors of continuance intention and purchase intention in mobile application(App) stores. This study identifies the structural relationships among app store quality, user habit, switching costs, user loyalty, continuance intention, and purchase intention in mobile application stores. The results indicate that user loyalty increases continuance intention and purchase intention and that user habit positively affects perceived switching costs and user loyalty. App store quality is a formative construct including quality of content, ease of use, and security. App store quality affects user habit positively. This study theoretically and practically contributes to the integration of influential factors for continuance intention as well as purchase intention.

• International Journal of Advanced Culture Technology
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• 제8권3호
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• pp.241-246
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• 2020

In this paper, we propose a user matching app based on hybrid app and a utilization plan to promote sports tourism in line with the growing trend of sports industry scale. The proposed app categorizes sports facilities across the country into regional, sports, private and public sports facilities to support reservations and matching. The proposed app applied a matching system in which matching scores were given according to the preference of events, places, and users by user net matching algorithm. Users can enjoy sports as a team or individual through the suggestion app even if they do not have any clubs or friends to which they belong. It can be used to improve tourism content services and establish tourism industry policies by analyzing data generated while using a user matching system.

• 한국게임학회 논문지
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• 제15권6호
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• pp.17-28
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• 2015

본 연구는 상호작용 요소가 강화된 피트니스 앱게임의 사용자의 운동경험과 앱게임의 재미, 만족, 이용의도 효과를 검증하기 위해 플레이테스트 실험 방법론을 통해 분석하였다. 실험에 사용된 피트니스 앱 게임은 한림대 헬스커뮤니케이션 연구소에서 제작한 'Enjoy Your Fitness'를 사용하여 남녀 대학생 각각 50명씩 총 100명을 대상으로 실험을 진행하였다. 연구결과, 사용자들의 운동경험인 운동성취감, 몰입, 관심과 같은 운동효과는 상호작용성이 강화된 앱 게임에서 더 높은 것으로 나타났다. 또 피트니스 앱게임의 재미, 만족, 이용의도 역시 상호작용적 요소가 강화된 피트니스 앱 게임에서 더 높은 것으로 나타났다. 본 연구는 상호작용성이 강화된 앱 게임이 사용자의 운동 경험과 앱 게임 자체의 사용자 경험을 강화한다는 점에서 건강증진을 위한 앱 게임 설계에 대한 실무적 함의도 제공한다.

• 한국산업융합학회 논문집
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• 제27권2_2호
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• pp.343-356
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• 2024

Super app is an application that provides a variety of services in a unified interface within a single platform. With the acceleration of digital transformation, super apps are becoming more prevalent. This study aims to suggest service enhancement measures by analyzing the user review data before and after the transition to a super app. To this end, user review data from a payment-based super app(Shinhan Play) were collected and studied via topic modeling. Moreover, a matrix for assessing the importance and usefulness of topics is introduced, which relies on the eigenvector centrality of the inter-topic network obtained through topic modeling and the number of review recommendations. This allowed us to identify and categorize topics with high utility and impact. Prior to the transition, the factors contributing to user satisfaction included 'payment service,' 'additional service,' and 'improvement.' Following the transition, user satisfaction was associated with 'payment service' and 'integrated UX.' Conversely, dissatisfaction factors before the transition encompassed issues related to 'signup/installation,' 'payment error/response,' 'security authentication,' and 'security error.' Following the transition, user dissatisfaction arose from concerns regarding 'update/error response' and 'UX/UI.' The research results are expected to be used as a basis for establishing strategies to strengthen service competitiveness by making super app services more user-oriented.

• 아태비즈니스연구
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• 제13권3호
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• pp.1-18
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• 2022

Purpose - The purpose of this study is to take fitness APP users as the research object from the perspective of user experience to explore the influence of fitness APP user experience factors on product trust and purchase intention. Design/methodology/approach - The study collected data on 275 customers who had experience buying and using fitness apps. To test the hypothesis, SPSS 27.0 and AMOS 26.0 statistical packages were used based on the collected data. Findings - The results showed that the user experience factors (usefulness, ease to use, enjoyment, interaction) of fitness APP and the relationship between product trust had a positive effect, and product trust had a positive effect on purchase intention. In addition, exercise experience, showed a moderating effect in the relationship between the usefulness, easy to use of user experience and product trust. Research implications or Originality - This study provided research model among user experience factors of fitness APP, product trust and purchase intention. This study can help sports and fitness companies with product optimization and marketing decisions.

• 대한인간공학회지
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• 제36권5호
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• pp.437-446
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• 2017

Objective: This study aims to draw an efficient UI design by comparing the usability of App drawer and single-layered home screens, which are smartphone home screens. Background: Because smartphone home screen is frequently used including the installation, deletion, and editing of APPs, it should be designed with easily controllable information structure. There is a need to seek a user-friendly UI by comparing the usability of App drawer and single-layered home screens, of which methods to search Apps are different. There is also a need to examine an efficient UI and the factors to improve from the user perspective. Method: This study targeted 30 Android OS and iOS users to evaluate the App drawer and single-layered home screens, of which UI structures are different. Each participant was instructed to carry out an App searching task and App deleting task, and the execution time and the number of errors were measured. After the tasks were completed, they evaluated satisfaction through a questionnaire survey. Results: In the App searching task with low task level, there was no difference in execution level between the App drawer and single-layered home screens. However, the single-layered home screen showed higher efficiency and accuracy in the App deleting task with high task level. As for the group difference according to use experience, there was no difference in satisfaction among Android OS users, but iOS user satisfaction with single-layered home screen with which they were familiar was higher. Conclusion: As for home screen usability, the single-layered home screen UI structure can be advantageous, as task level is higher. Repulsion was higher, when users, who had used easier UI, used complex UI in comparison with user satisfaction, when users familiar with complex UI used easier UI. A UI indicating the current status with clear label marking through a task flow chart-based analysis, and a UI in which a user can immediately recognize by exposing hidden functions to the first depth were revealed as things to improve. Application: The results of this study are expected to be used as reference data in designing smartphone home screens. Especially, when iOS users use Android OS, the results are presumed to contribute to the reduction of predicted barriers.

• 지식경영연구
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• 제20권4호
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• pp.169-183
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• 2019

The growth of mobile commerce (m-commerce) has been accelerated around the world. Why do e-retailers have to put a great deal of effort for the distribution of their mobile apps? The literature has paid little attention to the influence of the introduction of an e-commerce app on shopping behaviors of consumers. By analyzing the dataset of 2,342 users in Korea, this study aims to broaden our understanding of mobile shopping app usage across competing e-retailers and different channels. We found that a user's prior usage of a specific e-commerce mobile app increases her subsequent usage of its website through a mobile web browser. Thus, mobile apps do not cannibalize the mobile web channel, and there could be a complementary relationship. We also found that a user's usage of competitors' apps is positively associated with her subsequent usage of a specific e-commerce app. Because many consumers search products and compare prices across multiple e-retailers, having a mobile app helps an e-retailer be exposed to more potential consumers. This study is among the first to study the role of mobile apps in e-commerce by showing the dynamics of cross-channel and cross-vendor usage by a user.

• 융합보안논문지
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• 제11권3호
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• pp.67-74
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• 2011

TV의 미래로 주목받고 있는 스마트TV의 주요 콘텐츠로서 스마트폰과 같이 앱(App)을 주목하고 있지만 많은 전문가들이 스마트TV용 앱의 중요한 성공 조건으로 현재 TV가 갖고 있는 사용자 인터페이스의 한계 극복을 언급하고 있다. 일반적인 버튼 위주의 TV 리모컨으로는, 스마트TV용 앱에 풍부한 사용자 경험을 제공하기 힘들며 특히 게임과 같은 역동적인 앱을 운영하기에 상당한 어려움이 있다. 이런 문제를 극복하기 위해서 산업계와 학계에서 다양한 TV 사용자 인터페이스 방법을 제시하고 있으나 소비자 입장에서 비용 상승 문제를 유발하고, 스마트TV용 앱 개발자 입장에서 사용자 인터페이스의 표현 범위와 개발의 편리성 측면에서 부족함이 있다. 이에, 본 논문은 스마트폰을 활용하여 스마트TV용 앱의 사용자 인터페이스를 구현하는 스마트TV용 앱 개발 방법론 및 개발 지원 환경인 sMartUX를 소개한다. sMartUX는 스마트폰을 활용함으로써 추가적인 비용 상승을 요구하지 않으며 앱 개발자가 스마트폰에서 실행할 사용자 인터페이스 설계할 때 다양한 스마트폰 사양을 고려할 필요가 없게 지원한다. 또한, 스마트폰의 앱 유통 시스템을 거치지 않고 사용자 인터페이스를 스마트폰에 탑재 시키는 메커니즘을 제공하여 개발자와 소비자 편의를 지원한다.