• Title/Summary/Keyword: Usage-based

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A Study on the Moderating Effect of Perceived Voluntariness in the Organizational Information System Usage and Performance (정보시스템 사용과 성과에 있어서 자발성의 조절효과에 관한 연구)

  • Lee, Seung-Chang;Lee, Ho-Geun;Jung, Chang-Wook;Chung, Nam-Ho;Suh, Eung-Kyo
    • Asia pacific journal of information systems
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    • v.19 no.2
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    • pp.195-221
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    • 2009
  • According to an industry report, a large number of organizations have invested in Organizational Information System(OIS) in the past few years. Several research results indicate that successful investments in OIS lead to productivity enhancement, while failed ones result in undesirable consequences such as financial losses and dissatisfaction among employees. In spite of huge investments, however, many organizations have failed in achieving the hoped-for returns from OIS. Thus, understanding user acceptance, adoption, and usage of new IS(Information Systems) is an important issue for IS practitioners. Indeed, study of the user acceptance of new information system has been one of the most important research topics in the contemporary IS literature. Several theoretical models are tested to examine 'user acceptance' and 'usage behavior' in IS context. While many research models incorporate 'ease of use' or 'usefulness' as important factors in explaining user acceptance, Technology Acceptance Model(TAM) has been one of the most widely applied models in user acceptance and usage behavior. Even in recent IS studies that employ theories of innovation diffusion in the area of IS implementation, a major focus has been on the user's perception of information technologies. In this research, we study 'voluntariness' as an important factor in IS acceptance by users. Voluntariness is defined as "the degree to which the use of the innovation is perceived as being voluntary, or of free will" When examining the diffusion of accepting OIS, a thoughtful consideration should be given to 'perceived voluntariness.' Current article has following research questions: 1) What models are appropriate to explain the success of OIS? and 2) How does the 'voluntariness' affect the success of OIS? In order to answer these questions, a research model is proposed to describe the detailed nature of association among three independent variables (IT usage level, task interdependency, and organizational support), a mediating variable (IS usage), a dependent variable (perceived performance), and a moderating variable(perceived voluntariness). The central claim of this article is that organizations hardly realize expected returns from OIS investments unless perceived voluntariness is effectively managed after operating OIS. As an example of OIS in this study we have selected the Intranet of Republic of Korea Air Force (ROKAF). ROKAF has implemented the Intranet in an attempt to improve communication and coordination within the organization. To test our research model and hypotheses, survey questionnaires were first sent out to 400 Intranet users. With the assistance of ROKAF, Intranet users were initially identified among its members, and subjects were randomly drawn from the pool. 377 survey responses were finally returned. The unit of measurement and analysis in this research is a personal level. Path analysis based on structural equation modeling was used to test research hypotheses. Construct validity represents accordance between the theoretical base concept of constructs and its measurement items. Tests for the reliability and discriminant validity are accepted, thus verifying our survey instrument. In this research, we have proposed a conceptual framework to highlight the importance of perceived voluntariness after organization deploys OIS. The results of our analysis present several key finding. First, all three independent variables (IT usage level, task interdependency, and organizational support) have significant effects on IS usage, which will eventually improve performance. Thus, IS usage plays a mediating role between antecedent variables (IT usage level. task interdependency, and organizational support) and performance improvement. Second, the effect of the task dependency was the highest for IS usage among the three antecedent variables. This is highly plausible since one of the Intranet's major capabilities is to facilitate communication among members within an organization. Accordingly, we conclude that the higher the task dependency, the higher Intranet usage. The effect of user's IT usage level was the second, while the effect of the organizational support was the third. Finally, the perceived voluntariness plays a pivotal role in enhancing perceived performance in personal level after launching the Intranet. Relationships among investigated variables were significantly different between groups with a high level and a low level of voluntariness. The impact of the Intranet usage on the performance was greater in the higher level voluntariness group than in the lower one. For the lower level voluntariness group, the user's IT usage had the highest effect on the Intranet usage among the three antecedent variables. In short, our study suggests that the higher the perceived voluntariness is the more IS usage will be. Perceived voluntariness was found to have a moderating effect on the relationships among user IT usage level, task interdependency, IS usage, and perceived performance, supporting all the hypotheses on the moderating effect. Most of all, user IT usage level has the strongest influence on IS usage, indicating that users with superior IT usage are more likely to enjoy a high level of perceived performance.

An Empirical Study on the Influence of Environmental Determinants on the Mobile Cloud Computing Technology Usage and the Moderating Effects of Job Relevance (모바일 클라우드 컴퓨팅 기술사용에 영향을 주는 환경적 요인과 직무 관련성의 조절효과에 대한 실증연구)

  • Kim, Sang-Hyun;Kim, Geun-A
    • Journal of Information Technology Applications and Management
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    • v.18 no.4
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    • pp.1-20
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    • 2011
  • The recent development of mobile devices, including smartphones has maximized the user's convenience. This phenomenon has triggered the specification and activation of mobile cloud service and transformed the user's information usage and communication means. Despite such development of new technology, there is little understanding of mobile cloud. Therefor, in order to help the understanding of the usage of mobile cloud computing technology, this study developed the research model based on the UTAUT (the Unified Theory of Acceptance and Usage of Technology) model. The proposed research model included five external determinants, such as Interoperability, Information Organization, Adequacy, Information Security and Context Awareness, along with the moderating effects of Job Relevance, and empirically proved their influence on the user's job performance. This study proved the research model by analyzing the data collected from 287 copies of survey with the structural equation modeling approach. The result showed that all determinants, except Information Security have positive impact on the usage of mobile cloud computing technology. Thus, this study can compliment the limitations of previous research, suggest a new direction to analyze the user's perspective in the related research on mobile cloud and build a theoretical foundation for the further development of mobile cloud.

Continuous Usage Intention of Twitter's Informations Focus on Elaboration Likelihood Model (트위터의 정보가 지속사용의도에 미치는 영향 : 정교화 가능성 모델을 중심으로)

  • Kim, Ee-Hwan;Fan, Liu;Lee, Sang-Chul;Suh, Yung-Ho
    • Journal of Information Technology Services
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    • v.11 no.3
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    • pp.49-65
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    • 2012
  • This study aims to investigate the factors influencing followers' continuous usage intention of twitter based on Elaboration Likelihood Model. In particular, central route(information itself) and peripheral route(twitterian's trustworthiness) are tested to reveal which has a more influential role in effecting the continuous usage intention of power-twitter. Furthermore, this study tests the relationship of users' attitude and continuous usage intention. The results indicate that argument quality, accuracy(central route), source expertise and source trustworthiness (peripheral route) have an influence on attitude. However, trustworthy on central route is not significant. Argument quality, trustworthy, accuracy(central route) and source expertise(peripheral route) have an influence on perceived usefulness. But source trustworthiness on peripheral is not significant. Attitude has an influence on perceived usefulness, and attitude and perceived usefulness both have an influence on perceived usefulness. In conclusion, central route is more influential than peripheral route in forming a positive attitude towards arguments, which in turn leads to the perception of twitter's usefulness, and in the end brings the continuous usage intention of twitter.

The Determinants of the Usage of Government Institutions' SNS (행정기관 SNS 이용의 결정요인)

  • Son, Dal-Ho;Yoo, Seong-Pil
    • The Journal of Information Systems
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    • v.24 no.3
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    • pp.95-114
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    • 2015
  • Purpose: This study was tried to investigate a structural relationship among key impacting factors and usage in SNS of government institutions. It was designed to research the processing property of SNS, the emotional property of SNS, and the service property of SNS for the SNS usage. Based on the research framework from the relationships among intrinsic SNS characteristics, social psychological characteristics, and the attitude of government institutions' SNS, the empirical research model and the hypotheses were established. Design/methodology/approach: Data for empirical study were collected from 453 of total distributed 500 by the structured questionnaire survey with SNS users of government institutions. The analysis was performed from effective 432 data, and the sample was mainly consisted of men, the thirty-old, and salesmen. Findings: The results showed that the emotional and service properties in intrinsic characteristics of SNS have a significantly positive effect to the value perception and the security variable in social psychological characteristics has a significant positive effects to the trust. Finally, the value perception has positive effects on both trust and use intention of government institutions' SNS. Meaning of these results is that intrinsic SNS characteristics, social psychological characteristics, and the attitude of government institutions' SNS have a significant effect on SNS usage.

Examining the Determinants of the Intention of Continued Instagram Usage: Focused on the Moderating Effect of the Gender (인스타그램 고객의 지속적 사용의도 결정요인: 성별의 조절효과를 중심으로)

  • Lee, Seoungho;Kim, Changsik;Kwahk, Keeyoung
    • Journal of Korea Society of Digital Industry and Information Management
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    • v.12 no.2
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    • pp.61-72
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    • 2016
  • The objective of this study is to investigate the determinants of the intention of continued Instagram usage. For this study, we used a self-administered survey questionnaire in which all of the scales were adapted from the previous literature. In this paper, we introduce a research model that consists of three antecedents (perceived usefulness, perceived playfulness, and customer satisfaction) that were thought to cause the intention of continued Instagram usage. The data were collected from 150 Instagram users. In order to validate the proposed research model, we used the SmartPLS 2.0. We used a two-step approach, recommended by Anderson and Gerbing(1988), that comprises a measurement model and structural model. The results showed that two antecedent factors (perceived usefulness and perceived playfulness) had a significant impact on customer satisfaction, which then causes the intention of continued usage. This study highlights the importance of the moderating effect of gender. Based on the results, this study proposes useful implications for Instagram stakeholders.

A Study on the Factors Affecting the Usage of Internet Banking considering mediating role of customer's attitude and service types (인터넷 뱅킹의 이용에 영향을 미치는 요인 연구 : 소비자 태도의 매개적 역할과 서비스 이용 유형을 중심으로)

  • Jun, Byoung Ho;Han, Pil Koo;Kang, Byung Goo
    • Journal of Korea Society of Digital Industry and Information Management
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    • v.6 no.4
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    • pp.279-295
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    • 2010
  • Technology development has reshaped not only the business environment but also financial service. The purpose of this study is to investigate the factors affecting customer's attitude and usage of Internet banking. Based on prior studies, this study identifies usefulness, ease of use, innovativeness, social influence, quality, cost as affecting factors of customer's attitude and usage of Internet banking. This study intends to do a comparison analysis the relationship between customer's attitude and usage of Internet banking by classifying Internet banking service into inquiry, transfer, and other service. Result shows that usefulness, quality, and cost are significantly related to the customer's attitude toward Internet banking service, but ease of use, innovativeness, and social influence are not. Even though customer's attitude was found to be significantly related to the use of Internet banking, the degree of it was different by service types inquiry, transfer, and other service in a row. It implicates that usage of Internet banking still centered on inquiry service.

A Study on the influence of College Student's Usage Motivation of SNS and Interpersonal relationship orientation on MSNS(Mobile Social Network Service) addiction Proneness Addition tendencies (대학생들의 SNS 이용동기, 대인관계지향성이 MSNS(Mobile Social Network Service) 중독경향성에 미치는 영향)

  • Park, Jongsoon;Lee, Jongman
    • Journal of Korea Society of Digital Industry and Information Management
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    • v.12 no.4
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    • pp.145-161
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    • 2016
  • The purpose of this study is to investigate influences of usage motivation of SNS and interpersonal relationship orientation on Mobile Social Network Service(MSNS) addition proneness. For this purpose, questionnaires including MSNS addition Proneness scale, usage motivation of SNS scale and interpersonal relationship orientation scale were administered to 250 college students in Seoul. Regression analysis revealed that usage motivation of SNS showed influences of interpersonal relationship orientation. The Usage motivation of SNS showed influences of MSNS addiction proneness, interpersonal relationship orientation showed partial influence MSNS addiction proneness. The result of this study implicated that level of MSNS addiction tendencies needs to be considered for counseling with used of SNS motives. This study findings would contribute in development of preventive interventions for SNS addiction and improvement program for interpersonal competence in college students. Futhermore, exploration of various ways to satisfy motivation of interpersonal relation would be helpful to reduce SNS addiction tendencies. Finally, based on the result, implications of finding, limitation and suggestions for future research were discussed.

OSEK PS Kernel Mechanisms for Reducing Dynamic Memory Usage (동적 메모리 사용 감소를 위한 OSEK OS 커널 구현 메커니즘)

  • Lim, Jin-Tack;Keum, Han-Hong;Park, Ji-Yong;Hong, Seong-Soo
    • Transactions of the Korean Society of Automotive Engineers
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    • v.17 no.3
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    • pp.127-141
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    • 2009
  • While the ever-increasing complexity of automotive software systems can be effectively managed through the adoption of a reliable real-time operating system (RTOS), it may incur additional resource usage to a resultant system. Due to the mass production nature of the automotive industry, reducing physical resources used by automotive software is of the utmost importance for cost reduction. OSEK OS is an automotive real-time kernel standard specifically defined to address this issue. Thus, it is very important to develop and exploit kernel mechanisms such that they can achieve minimal resource usage in the OSEK OS implementation. In this paper, we analyze the task subsystem, resource subsystem, application mode and conformance classes of OSEK OS as well as the OSEK Implementation Language (OIL). Based on our analysis, we in turn devise and implement kernel mechanisms to minimize the dynamic memory usage of the OSEK OS implementation. Finally, we show that our mechanisms effectively reduce the memory usage of OSEK OS and applications.

Typology of mobile marketing and fashion application usage motives (모바일 마케팅의 유형화와 패션 어플리케이션 이용 동기)

  • Shin, Hyunju;Lee, Kyu-Hye
    • The Research Journal of the Costume Culture
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    • v.24 no.4
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    • pp.483-497
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    • 2016
  • The importance of marketing on mobile platforms as well as mobile commerce is increasing dramatically in fashion industry. The purpose of this study was to categorize mobile fashion marketing strategies and to examine application usage motivations that influence brand attitude, purchase decisions, and post-purchase evaluation. Qualitative research methods, in particular focus-groups and in-depth interviews, were conducted to examine the typology of mobile marketing and fashion application usage motivations. Then, a modified survey was used to quantitatively examine what content consumers expect from fashion applications. Results of the qualitative study indicated that consumers perceive sensory (visual, tactile, auditory), relationship, information and practical marketing strategies through motives. Survey result from 229 consumers revealed four fashion application usage motives: sensory, relationship, information and practical. Based on these motives consumers were segmented into three groups: the experience/relationship-conscious, the product information-conscious, and the lifestyle information-conscious. The product information-conscious group showed higher level of monthly income and clothing expenses but lower level of mobile device usages. Lifestyle information-conscious group and experience/relationship-conscious group had higher level of attitude, and post-purchase evaluation. It was experience-relationship conscious consumers who spent more time in mobile use. This study shows a better understanding of mobile marketing environment of fashion applications.

Effects of usage motivation for omni-channel services on continuance and affective commitment and brand purchase intention (옴니채널 서비스 이용 동기가 지속적 몰입과 정서적 몰입 및 브랜드 구매의도에 미치는 영향)

  • Choi, Mi Young
    • The Research Journal of the Costume Culture
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    • v.27 no.6
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    • pp.553-568
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    • 2019
  • This study examined motivation to use omni-channel services on mobile devices in fashion stores and the effects of such usage motivation on brand purchase intention through continuous and affective commitment. Data were collected on consumers in their 20s and 30s who experienced omni-channel services during shopping for or purchasing fashion products. An online survey asked 413 consumers to rate their brand purchase intention. Sub-levels of each variable were examined using SPSS 25.0, followed by confirmatory factor analysis using AMOS 19.0. In addition, path analysis using structural equation modeling was applied to analyze associations between variables. The statistical results were mixed. First, only two dimensions of usage motivation for omni-channel services, hedonic and relational motivation, had positive effects on continuous and affective commitment. Second, continuous commitment had a greater effect on purchase intention of brands that provided omni-channel services than it did on affective commitment. Third, of the dimensions of usage motivation, utilitarian motivation had a direct influence on purchase intention in the modified model, while social motivation did not affect service commitment and purchase intention. Finally, our findings suggest that brand loyalty can be built by encouraging service commitments through hedonic and relational motivation, based on the usability of omni-channel services.