• Title/Summary/Keyword: TAM model

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Analysis of Use Intention of Mobile Cloud Service using a Convergence Technology Acceptance Model (융합기술수용모델을 이용한 모바일 클라우드 서비스 이용의도 분석)

  • Seo, Kwang-Kyu
    • Journal of Digital Convergence
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    • v.14 no.12
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    • pp.105-110
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    • 2016
  • As smart devices have proliferated and network speed and accessibility of mobile have accelerated, mobile cloud services that can do the same tasks by various devices are promoted. This paper explores the analysis of use intention of mobile cloud services and influencing factors. We develop and apply a convergence technology acceptance model which combines TAM, VAM and UTAUT. The proposed model verifies some hypotheses to aware the significant factors of use intention of mobile cloud services with TAM, VAM and UTAUT including additional mobile cloud service characteristics such as mobility, high availability, easy accessibility and scalability. Eventually, this research can not only help users gain insights into mobile cloud service use intention, but also help mobile cloud service providers to develop more effective mobile cloud service and their business strategy in the future.

The Influence Factors on Usage and Performance of Group Support System (GSS 사용과 성과 요인 : TAM, TTF, 조직구조화이론(AST) 혼합모형)

  • Kang, So-Ra;Yang, Hee-Dong;Park, Hyun-Yoe
    • Journal of Information Technology Services
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    • v.7 no.1
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    • pp.63-87
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    • 2008
  • This study investigates the effects of individual and group level factors on the use of GSS (Group Support System) and task performance from GSS use. GSS facilitates the group work, so that GSS adoption is not necessarily influenced only by individual perceptions on information systems as TAM insists. Adaptive Structuration. Theory (AST) joins with TAM in our study to explain the adoption and success from GSS use. AST contends that the success of IS is not necessarily the technical fit between tasks and technology, instead the political outcome among user socializations. We found that collected data from 303 individual IT staffs in a national bank. Our results demonstrate that traditional theories on TAM (Technology Acceptance Model) need to be refined, when considering the TTF(task-technology fit). TTF render high influences on PU(perceived usefulness). PEU(perceived ease of use) and FOA(faithfulness on appropriation). And FOA influences highly on our dependent variable. Implications and directions for future research are discussed.

Up-regulation of HOXB cluster genes are epigenetically regulated in tamoxifen-resistant MCF7 breast cancer cells

  • Yang, Seoyeon;Lee, Ji-Yeon;Hur, Ho;Oh, Ji Hoon;Kim, Myoung Hee
    • BMB Reports
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    • v.51 no.9
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    • pp.450-455
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    • 2018
  • Tamoxifen (TAM) is commonly used to treat estrogen receptor (ER)-positive breast cancer. Despite the remarkable benefits, resistance to TAM presents a serious therapeutic challenge. Since several HOX transcription factors have been proposed as strong candidates in the development of resistance to TAM therapy in breast cancer, we generated an in vitro model of acquired TAM resistance using ER-positive MCF7 breast cancer cells (MCF7-TAMR), and analyzed the expression pattern and epigenetic states of HOX genes. HOXB cluster genes were uniquely up-regulated in MCF7-TAMR cells. Survival analysis of in slico data showed the correlation of high expression of HOXB genes with poor response to TAM in ER-positive breast cancer patients treated with TAM. Gain- and loss-of-function experiments showed that the overexpression of multi HOXB genes in MCF7 renders cancer cells more resistant to TAM, whereas the knockdown restores TAM sensitivity. Furthermore, activation of HOXB genes in MCF7-TAMR was associated with histone modifications, particularly the gain of H3K9ac. These findings imply that the activation of HOXB genes mediate the development of TAM resistance, and represent a target for development of new strategies to prevent or reverse TAM resistance.

The Effect of Health Consciousness and Playfulness on Intention to Use Tangible Fitness Game: Extended TAM (건강의식과 유희성이 체감형 피트니스 게임수용에 미치는 영향: 확장된 기술수용모델)

  • Jang, Han-Jin;Noh, Ghee-Young
    • The Journal of the Korea Contents Association
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    • v.17 no.1
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    • pp.1-11
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    • 2017
  • This research verified that how Health-Consciousness and Enjoyment can have influence on the Technology Acceptance Model(TAM) using Structural Equation Model(SEM) to suggest a Tangible Fitness Game(TFG) acceptance model. First of all, perceived usefulness and ease of use, the core factors of TAM could influence on the intention to use TFG, so the applicability of TAM was confirmed in the context of using TFG. Health-consciousness, defined as some beliefs and interests on the importance of health, was found to have an positive effect on perceived usefulness and have an influence on the intention to use TFG. Enjoyment also influenced on the intention to use through usefulness and ease of use. This research contributes to make elaborate theoretical accounts by verifying some factors influencing on the intention to use TFG using Extended Technology Acceptance Model.

An Investigation of Factors Affecting Consumer Intention to Use Branded App : Focused on Technology Acceptance Model(TAM) (브랜드앱(Branded App)의 사용의도에 영향을 미치는 요인에 관한 연구 : 기술수용 모델(TAM)을 중심으로)

  • Jang, Sunghyun;Lee, Jungki
    • Journal of Information Technology Services
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    • v.13 no.3
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    • pp.51-76
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    • 2014
  • As the smart phone devices gain popularity, companies no longer consider mobile application marketing as an auxiliary marketing tactic. The branded mobile application (branded app) becomes an important part of marketing strategies. This study is an attempt to investigate antecedents of the use intention of the branded app from the perspective of TAM (Technology Acceptance Model). This study takes a macro perspective in explaining the adoption process by incorporating a set of new, yet promising additional variables into the TAM model such as flow experience, benefits, innovation inclination, and customization features. Data were collected by using a survey research. A total of 270 responses were collected. Questionnaires from 25 individuals were removed from the data set due to the insincere responses, leaving the final sample size of 245. Findings support all but one hypotheses of the study. Both perceived utilitarian benefits and customization features of the branded app were found to have positive influences on the perceived usefulness of the branded app. Also, the innovation inclination and perceived entertainment of branded app users showed positive influences on the perceived ease of use of branded app. In addition, it was shown that the perceived usefulness about the use of the branded app influenced positively the flow experience and the users' attitudes toward branded app. Also, the ease of use perceived by branded app users had positive influences on the perceived usefulness and the user's attitude toward branded app. However, the ease of use of branded app did not have a significant influence on the flow experience among users. Moreover, the flow experience from the use of branded app users influenced positively the user's attitude toward branded app. Finally, the users' attitudes toward branded app had positive influences on their intention to use the branded app. Implications for practitioners and academicians are provided.

A Study on Application of Ubiquitous Management System in National Park - Focused on the Technology Acceptance Model of Managers' - (국립공원 유비쿼터스 관리시스템 도입 방안 - 관리자 기술수용모델 적용을 중심으로 -)

  • Kim, Tong-Il;Kim, Seong-Il
    • Journal of Korean Society of Forest Science
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    • v.99 no.3
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    • pp.368-379
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    • 2010
  • u-Park means national parks with environmentally sound information networks and integrated ubiquitous services are available. u-Park is totally managed based on u-IT (Ubiquitous IT Technologies) which provides ubiquitous service through sophisticated resources of national park and establishments. It is necessary in changing the existing park management system into u-IT based u-Park management system that park managers should accept new technology, u-Park management system, and be able to utilize it. The purposes of this research is to analyze managers' acceptance behavior on ubiquitous computing technology. Technology acceptance model (TAM) was introduced to specifies the causal relationships among variables related to managers' technology acceptance behavior. The hypothesized model was tested by surveying 157 managers at 5 national parks in Korea. TAM accounted for 55.2% of the variance in intention to use. The most important finding is that perceived compatibleness was the most influential variable in determining intention to use. This means that u-Park management system should be compatible with manager's task and business style.

Analyzing Common Method Bias of the Korean Empirical Studies on Technology Acceptance Model (한국 TAM 실증연구의 동일방법편의 분석)

  • Baek, Sang-Yong
    • The Journal of Information Systems
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    • v.21 no.1
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    • pp.1-17
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    • 2012
  • Common Method Bias(CMB) may cause the potential inflation of correlations between measures assessed via the same method. The problem of CMB has been well known in behavioral sciences because the survey method with self-reporting is vulnerable to CMB. Thus, the discussion on CMB is still ongoing in the MIS research in US. However, in Korea, the MIS research has never paid attention on the CMB problem. The purpose of this study is to examine the CMB problem in the Korean MIS research. To evaluate the effect of CMB, empirical studies on Technology Acceptance Model(TAM) are selected because (1) TAM is one of the MIS research areas studied intensively, (2) TAM is a theoretical model well supported by the existing empirical studies so that the result of this study would have a great ripple effect when the CMB problem turned out to be serious, (3) CMB is domain-specific. 47 TAM samples (out of 45 studies) from three Korean Journals were selected and the relevant data were collected such as correlation matrixes and the measures of the dependent variable. To find and evaluate the size of CMB, two analytic methods (Marker-Variable Technique and Method-Method Pair Technique) are employed. The result showed that there exists CMB in the Korean studies but the problem is not so serious to distort the empirical testing, compared with that of US studies. However, considering that CMB can contaminate the testing results, Korean MIS researchers should explicitly deal with the problem in designing empirical studies and collecting data.

The effect of information seeking style and news literacy of card news users on recommendation intention: Focused on Technology Acceptance Model (TAM) (카드뉴스 이용자의 정보추구성향과 뉴스 리터러시가 추천의도에 미치는 영향: 기술수용모델(TAM) 모델을 중심으로)

  • Choi, Myung-Il
    • Journal of the Korea Convergence Society
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    • v.10 no.1
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    • pp.141-148
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    • 2019
  • In this study, the Technology Acceptance Model (TAM) was applied to explore the process of using card news. Card news users are found to be active in searching and selecting appropriate news for themselves, information seeking style and news literacy were established as antecedent variables that can influence card news usage. A survey of 400 university students with experience of using card news was conducted. For statistical analysis, SEM was conducted. The analysis showed that information seeking style significantly affects perceived ease of use (PEU) and that news literacy influences neither PEU nor PU. PEU was found to have a significant effect on PU, and both PEU and PU had a significant effect on recommendation intention.

Determinants of the adoption of new equipment at the individual level within an organization

  • Kim, Hye-Kyoung;Lee, Seung-Hee
    • Journal of Digital Convergence
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    • v.9 no.1
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    • pp.37-49
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    • 2011
  • The purpose of this study is to develop a new equipment acceptance model in the industrial market and test it empirically using a field survey. To define new equipment acceptance factors of employees in the organization, we used the TAM as a useful model to analyze the acceptance process of new equipment. All of the data for the TAM were collected from the employees. Prior research studied the usage of general information technology using a computer and particular software, while we apply the TAM to the new equipment adoption. In this study, both theoretical review and empirical study were conducted and the model was set through the theoretical study which was tested through the empirical analysis. Management support and training/education were shown to have a positive effect on PU and PEOU. Personal innovativeness, management support, perceived usefulness and perceived ease of use were shown to have a positive effect on behavioral intention.

The Extended TAM(Technology Acceptance Model) and Groupware Usage Intention (확장된 기술수용모델에 따른 그룹웨어의 사용의도에 영향을 미치는 요인)

  • Hahm, Yu-Kun;Lee, Seog-Jun;An, Joon-Mo
    • Journal of Information Technology Applications and Management
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    • v.13 no.4
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    • pp.89-107
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    • 2006
  • With the increased importance of groupware in organizations, groupware acceptance is regarded as an important outcome in the efforts of firms to leverage the potential of this information technology in their business activities and strategies. Despite significant investments in groupware, considerable diversity exists in how well firms have been able to implement groupware and leverage the business value of groupware. This study identifies important factors influencing user acceptance of groupware by extending TAM(Technology Acceptance Model) which includes perceived control, intrinsic motivation, and concentration as well as perceived ease of use and perceived usefulness from original TAM. The proposed model is tested in an organization among 104 employees using previous research measurements. According to the findings from the study, the usage intention of groupware can be explained by intrinsic motivation, perceived control, perceived ease of use, and Perceived usefulness. However, it fails to explain the effect of concentration on the intention.

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