• Journal of Venture Innovation
• /
• v.5 no.4
• /
• pp.91-108
• /
• 2022

This study is an empirical analysis regarding what kind of factors affect the intention to use autonomous vehicles. For the empirical analysis the research model was derived from value-based adoption model base and integrated some aspects that only autonomous vehicles have. At default variables of VAM are usefulness, enjoyment, technicality, perceived cost, some autonomous vehicle related variables were added, and those are convenience, safety, security, social influence. A survey was done in order to empirically analyze with this research model, and 216 valid survey answers were chosen to analyze. Empirical analysis was done by structural equation using AMOS24. The result of empirical analysis were as follows. Variables usefulness, enjoyment, safety, security had a significant positive effect on perceived value. Technicality and perceived cost had a significant negative effect of perceived value. In addition, security and social influence had no significant effect on perceived value. Furthermore, perceived value had significant positive effect on intention to use. Among the variables that came out to be significantly positive, the most influencing variable was safety, followed by convenience, perceived cost, enjoyment, usefulness and then technicality. In addition, the analysis of mediating effect of perceived value shows that usefulness, enjoyment, convenience, safety, technicality, perceived cost had mediating role towards intention to use. However, security and social influence had no siginificant mediating effect towards intention to use. Considering all these research results this study has provided theoretical and practical implications to researchers on the intention to use autonomous vehicles.

• Information Systems Review
• /
• v.15 no.2
• /
• pp.91-110
• /
• 2013

Due to the intense competition and low switching cost, to find out which factors will significantly impact on user's continuance intention is very important for mobile instant messaging (IM) practitioners. In this study, we adopted network externalities and perceived service quality as independent variables based on the definition of mobile IM service. Network externalities also include direct externalities (referent network size) and indirect externalities (perceived complementarity). The result of this study shows that referent network size has a critical influence on perceived usefulness and perceived complementarity has a critical influence on perceived enjoyment; perceived service quality, as we expected, has significantly impact on not only customer's satisfaction but also perceived usefulness and perceived enjoyment. Meanwhile, both perceived usefulness and perceived enjoyment have directly critical influences on customer's continuance intention.

• The Journal of the Korea Contents Association
• /
• v.15 no.4
• /
• pp.454-468
• /
• 2015

The purpose of this study is to investigate the relationship between product attributes of smart device and user acceptance of technology. Moreover, the authors examined mediating effect of utilitarian and hedonic motivation between product attributes and user acceptance. Previous researches focused on user attitude and behavior intention of new technology based on Technology Acceptance Model(TAM). However, differently from previous researches, which are focused on user attitude like perceived usefulness and perceived ease of use, this research emphasized the relationship product attributes such as product functionality, design, and convenience and user motivation both utilitarian(effort expectancy and performance expectancy) and hedonic motivation(perceived enjoyment) according to UTAUT model. The results shows that 3 motivation variables(effort expectancy, performance expectancy, and perceived enjoyment) have positive impacts on user acceptance intention of smart device. product design has positive relationship to perceived enjoyment and product convenience has positive relationship to both effort and performance expectancy. Furthermore, 3 motivation variables play a full mediation between product attributes and user acceptance intention of new technology. However, product functionality has no relationship to both effort and performance expectancy. Research contribution, implications, and further research directions are discussed at the end of the paper.

• Journal of Digital Convergence
• /
• v.14 no.1
• /
• pp.379-386
• /
• 2016

This study explored Korean college students' smartphone game behavior for the pastime. Smartphone games have weakness that is not appropriate for playing the game because of small screen and non-sophisticated interface for operation. To defeat the disadvantage, the games employed minimalism like conciseness or simplicity. The study explored how conciseness influences perceived ease of use, perceived enjoyment, flow, and intent to use the game through PLS path modeling. We found that every hypothesis except a path, perceived ease of use to flow, proved significant. This result means that smartphone game design should consider the interface of users' convenience and user experience practically. Finally, based on the findings, suggestions for future studies were discussed.

• Information Systems Review
• /
• v.7 no.2
• /
• pp.41-59
• /
• 2005

Mobile games have emerged as the most innovative entertainment technology adding new revenue streams, taking advantage of the potential of wireless consumer applications and service offerings. Mobile games, like any other types of computer game, offer a unique value for users in providing an exciting digital experience in virtual worlds. Players can become empowered through the development of new characters and strategies within games to achieve rewarding successes against the computers and other players. In this paper, we attempt to investigate the factors influencing the usage and acceptance of the mobile games in Korea, based on the extended version of the Technology Acceptance Model(TAM). Based on data collected from survey, we show that perceived usefulness is the major determinant for users to play mobile games. Two factors, including perceived enjoyment and self-expressiveness, are empirically shown to determine perceived usefulness. In addition, perceived ease of use, rewards, operational quality of device, and design/story have been showed to significantly and directly affect perceived enjoyment. It was also confirmed that self-efficacy and operational quality of device are the antecedents of perceived ease of use. Based upon the statistical results, some useful guidelines for game development and market penetration strategies are also provided.

• Journal of the Korean Society for information Management
• /
• v.29 no.3
• /
• pp.145-167
• /
• 2012

The purpose of this study is to examine the causal relationships among self-efficacy, perceived usefulness, perceived ease of use, perceived playfulness, and reuse intention of SNS. The results of data analysis by structured equation model(SEM) indicate that self-efficacy significantly influences individual's perceived ease of use, perceived usefulness and perceived playfulness. Both perceived playfulness and perceived ease of use affects perceived usefulness on SNS. Individual's self-efficacy, perceived playfulness and perceived usefulness affect reuse intention of SNS. Based on the results, the theoretical and practical implications of this study are discussed.

• Proceedings of the Korea Association of Information Systems Conference
• /
• 2004.05a
• /
• pp.304-315
• /
• 2004

본 연구는 인터넷 환경 하에서 Davis의 기술수용모델(TAM)을 확장한 것이다. 본래의 TAM 모델에서는 인지된 사용용이성(perceived ease of use) 및 인지된 사용편이성(perceived usefulness)이 시스템 사용을 설명할 때 가장 중요한 요인이라고 제안하고 있다. 그러나 TAM 모델은 실제 시스템 사용의 약 $40\%$만 설명하고 있어 이 모델의 확장이 필요한 편이다. 본 연구에서는 기존의 TAM 모델에, Flow 이론에서 언급된 "인지된 즐거움 (perceived enjoyment)" 및 혁신확산이론(IDT)에서 언급된 "일치성(compatibility)"을 추가하여 TAM 모델을 확장하여 사용하였다. 본 연구자가 근무하는 대학의 대학포탈(university portals) 웹사이트를 사용하여 이 모델을 평가하였다.

• Journal of Venture Innovation
• /
• v.6 no.4
• /
• pp.153-170
• /
• 2023

Generative AI services, including ChatGPT, were becoming increasingly active. This study aimed to empirically analyze the factors that promoted and hindered the diffusion of such services from a consumer perspective. Accordingly, a research model was developed based on the Value-based Adoption Model (VAM) framework, addressing both benefit and sacrifice factors. Benefits identified included usefulness and enjoyment, while sacrifices were security and hallucination. The study analyzed how these factors affected the intention to use generative AI services. A survey was conducted among college students for empirical analysis, and 200 valid responses were analyzed. The analysis utilized structural equation modeling with AMOS 24. The empirical results showed that usefulness and enjoyment had a significant positive impact on perceived value, while security and hallucination had a significant negative impact. The order of influence on perceived value was usefulness, hallucination, security, and then enjoyment. Perceived value had a significant positive impact on usage intention. Moreover, perceived value was found to mediate the relationship between usefulness, enjoyment, security, hallucination, and the intention to use generative AI services. These findings expanded the research horizon academically by validating the effectiveness of generative AI services based on existing models and demonstrated the continued importance of usefulness in a practical context.

• Proceedings of the Korea Society of Information Technology Applications Conference
• /
• 2002.11a
• /
• pp.388-399
• /
• 2002

본 연구에서는 무선인터넷의 이용의도에 영향을 주는 요인들을 정보기술수용모형(TAM)에 나타난 동기부여 변수들을 중심으로 확장하여 실증적으로 검증하고, 이용목적에 따라 독립변수와 종속변수간 영향의 정도가 어떻게 달라지는지를 파악하였다. 연구결과 TAM에 나타난 인지된 유용성, 인지된 이용용이성과 인지된 즐거움, 사회적 영향, 인지된 위험이 무선인터넷 이용의도에 영향을 미치는 것으로 나타났다. 또한 이를 무선인터넷 이용목적별로 나누어 분석을 했을 경우에는 서로 다른 결과를 가져왔다. 커뮤니케이션과 커뮤니티 서비스 이용목적에서는 인지된 유용성, 인지된 이용용이성, 인지된 즐거움이 영향을 미치는 것으로 나타났으며, 그중 인지된 즐거움이 가장 큰 영향을 미치는 반면 컨텐츠 서비스 이용 목적에서는 5개의 요인이 모두 영향을 미치는 것으로 나타나고 그중 인지된 유용성이 가장 큰 영향을 미치는 것으로 나타나 이용목적에 따라서 영향을 미치는 변수와 영향의 강도가 달라지는 것을 확인 할 수 있었다.

• Proceedings of the Korea Society for Industrial Systems Conference
• /
• 2002.11a
• /
• pp.388-399
• /
• 2002

본 연구에서는 무선인터넷의 이용의도에 영향을 주는 요인들을 정보기술수용모형(TAM)에 나타난 동기부여 변수들을 중심으로 확장하여 실증적으로 검증하고, 이용목적에 따라 독립변수와 종속변수간 영향의 정도가 어떻게 달라지는지를 파악하였다. 연구결과 TAM에 나타난 인지된 유용성, 인지된 이용용이성과 인지된 즐거움, 사회적 영향, 인지된 위험이 무선인터넷 이용의도에 영향을 미치는 것으로 나타났다. 또한 이를 무선인터넷 이용목적별로 나누어 분석을 했을 경우에는 서로 다른 결과를 가져왔다. 커뮤니케이션과 커뮤니티 서비스 이용목적에서는 인지된 유용성, 인지된 이용용이성, 인지된 즐거움이 영향을 미치는 것으로 나타났으며, 그중 인지된 즐거움이 가장 큰 영향을 미치는 반면 컨텐츠 서비스 이용 목적에서는 5개의 요인이 모두 영향을 미치는 것으로 나타나고 그중 인지된 유용성이 가장 큰 영향을 미치는 것으로 나타나 이용목적에 따라서 영향을 미치는 변수와 영향의 강도가 달라지는 것을 확인 할 수 있었다.