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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
381

影音分享網站使用者意圖之研究 / A study of user intention on video sharing website

張書勳, Chang, Shu Hsun Unknown Date (has links)
網路科技不斷進步,服務創新與商業模式陸續推出。線上影音分享網站為目前當紅的領域,但對於網站該如何設計以及使用者為何使用影音分享網站都未有明確準則。因此本研究藉由科技接受行為相關理論的回顧,配合影音分享網站之特性,以Davis(1989)的科技接受模式為基礎,結合相關重要變數,提出概念性架構。目的為找出可能影響網站使用者的相關變數、並瞭解Web2.0影音網站使用者之使用意圖。 實驗方法採用線上問卷方式,在回收的501份問卷中,得到492份有效問卷,以結構方程模式進行研究模式分析。分析結果顯示,研究模式之適配度均達到應有標準。 研究結論章節中會說明本研究之管理意涵,並將研究結果提供給未來欲設立Web2.0影音分享網站的設計者,在網站建立初期,將有限資源投注在重要的變數上,使網站可達到最大效益。 / As the advance of Internet technology continues new business models are emerging in the market. Online video sharing website is the hottest application nowadays, but there is little study on designing the website and why the users using the website. In this research, we propose a conceptual model based on the technology acceptance model developed by Davis (1989) and this model integrating the important variables due to the extant research of relevant theory of technology acceptance and characteristics of video sharing website. The data collection was used the online survey, and we got the 492 eligible data and the analysis was used the Structural Equation Model (SEM). According to the result, the model fit was qualified. This research will give some management implication for designers who want to set up a video sharing website, this research provides the information on how to invest the limited resource on the critical variables in order to maximize the service value in the conclusion section in this paper.
382

Perceptions and Motivations of User Engagement for Social Media Marketing : A Quantitative Study of Facebook and Instagram Users

Vanga, Sudarsana Reddy, Yang, Yan January 2019 (has links)
Social media marketing has gained tremendous attention in recent years and has become a powerful tool for companies, entrepreneurs and marketers to approach their target customers and cultivate longtime customer relationship with increased engagement. Despite the increasing investment on social media marketing and the increasingly important roles users play today, few of previous studies, however, were focused on the user behavior or the key factors that influence user engagement with brands on social media. We chose the technology acceptance model (TAM) and uses and gratifications theory (UGT) as our theoretical foundation to investigate user behaviors on social media and the factors that influence user engagement with brands. We tested our model in two different social media platforms; Facebook and Instagram. The conclusions were based on inputs from a survey with 126 respondents with diverse background and age groups. We tested the hypotheses utilizing statistic correlation analyses. Among the five researched variables, H1 (perceived usefulness) and H5 (motivation for information) are proved to be statically significant. Despite a number of limitations, our research sheds a light on the study of user behavior on social media platforms. Understanding user behavior is useful for entrepreneurs and marketers in shaping more efficient ways to target the right audience on the right platform(s) to achieve their marketing objectives by effectively exploiting the potential of social media.
383

Personalisierte Optionsauswahl im Fahrzeuginformationssystem

Ussat, Caroline 05 December 2012 (has links)
Moderne Fahrzeuginformationssysteme ermöglichen es dem Fahrer, während der Fahrt auf eine Vielzahl an geographischen Informationen wie Sonderziele zuzugreifen. Die Auswahl einer Option aus solch umfangreichen Angeboten während der Fahrt kann jedoch zu einem erheblichen Sicherheitsrisiko werden, welches eine Unterstützung des Fahrers bei der Optionsauswahl erforderlich macht. Eine vielversprechende Möglichkeit der Unterstützung liegt im Anbieten von Assistenzsystemen zur personalisierten Sonderzielauswahl. Ziel der hier vorliegenden Dissertation ist die Optimierung der Akzeptanz solcher Assistenzsysteme im fahrzeugspezifischen Nutzungskontext. Hierzu wurde in einer qualitativen Studie zunächst der Nutzungskontext untersucht. Aufbauend auf den Ergebnissen und der Taxonomie für Assistenzsysteme nach Wandke (2005) wurden drei Assistenzarten mit verschiedenen Assistenzgraden identifiziert, die potentiell für die personalisierte Optionsauswahl im Fahrzeug in Frage kommen (adaptierbare Filterassistenz, adaptive Filterassistenz, adaptive Delegationsassistenz). In zwei Szenariobefragungen konnte mit Hilfe des UbiTAM nach Rothensee (2010) aufgezeigt werden, dass alle drei Assistenzarten positiv bewertet wurden. Innerhalb dieser positiven Bewertungen wurden höhere Assistenzgrade signifikant besser bewertet. Basierend auf den Erkenntnissen wurden die Assistenzarten prototypisch realisiert und in zwei Fahrsimulationsstudien hinsichtlich ihrer Auswirkung auf die Fahrleistung und die Güte der Aufgabenbearbeitung untersucht. In den Studien konnten die Ergebnisse zur Akzeptanzbeurteilung bestätigt werden. Zusätzlich wurde deutlich, dass die adaptiven Assistenzarten das höchste Maß an Unterstützung in der Nebenaufgabe boten. Gleichzeitig zeigten sie auch die geringste Auswirkung auf die Fahrleistung. Die Ergebnisse dieser Arbeit legen für die Gestaltung von Auswahlassistenzsystemen im Fahrzeug nahe, eine Kombination aus adaptiven Filter- und Delegationsassistenzen anzustreben. / Modern vehicle information systems allow the driver to access a variety of geographical information, like points-of-interest, whilst driving. However, selecting an option from an extensive list of options, whilst driving, can pose a significant safety hazard. Thus, it becomes essential to support the driver in this selection process. A promising solution lies in supplying an assistance system that includes a personalised points-of-interest selection. The purpose of this doctoral thesis is to optimise the acceptance of those assistance systems. Firstly, a qualitative study was carried out to examine the context of use. The results were analysed using the taxonomy for assistance systems developed by Wandke (2005). This identified three suitable types of option selection assistance systems, with varying levels of support; adaptable filter assistance, adaptive filter assistance, adaptive delegation assistance. Secondly, the assistance systems were analysed by means of scenario surveys based on the UbiTAM, by Rothensee (2010). The results showed that all three assistance systems were rated positive. Within these positive ratings, those systems offering higher levels of support received significantly better ratings. Based on the findings all three assistance systems were implemented as prototypes. The prototypes were evaluated in two driving simulator studies, in order to assess their effects on both the driving performance and the quality of task processing. The simulator studies verified the results uncovered by the scenario surveys. Additionally, it became clear that adaptive assistance systems provided drivers with the most support during the fulfilment of secondary tasks. Finally, they showed that driving performance was only slightly affected by the use of the adaptive assistance systems. In terms of the development of assistance systems, the results of this thesis suggest that a combination of adaptive filter and delegation assistance should be implemented.
384

Radiography Faculty Perceptions of the Effectiveness of Asynchronous Online Courses

Cherry, Shirley J 01 May 2015 (has links)
The purpose of this study was to assess radiography faculty perceptions of the effectiveness of asynchronous online courses. Learning effectiveness in a web-based virtual learning environment (VLE) was the conceptual framework for this project (Piccoli, Ahmad, & Ives, 2001). For the purposes of this study, learning effectiveness was defined as the quality of learning being comparable between online and traditional courses (Moore, 2011). Ten research questions were used to guide this study, and statistical tests were conducted to evaluate 17 null hypotheses. The statistical tests included use of one-way analysis of variance (ANOVA), Pearson correlations, and single-sample t-tests. Ten of the 17 null hypotheses were rejected. Research findings indicate that the effectiveness of online courses is not significantly affected by faculty position, type of institution, faculty age, or years of teaching experience. Faculty perceptions of the effectiveness of online courses increase with years teaching online courses, number of online courses taught in the past 5 years, and perceived competence with use of technology.
385

Mobile application onboarding processes effect on user attitude towards continued use of applications / Mobil applikationers onboarding processers effekt på användarattityd mot fortsatt användning av applikationer

Eriksson, Hanna, Parflo, Emelie January 2019 (has links)
The growing popularity of smartphones in recent years has led to an increase in mobile application development and use. However, a large number of mobile applications are only used once before being removed. For companies and organizations to spend time and money on application development only to achieve low user retention rates is unsustainable. During their first interaction with a mobile application it is crucial that users find functionality and value quickly to avoid discontinuation of use. User onboarding is often implemented in mobile applications to aid in first time interaction, making onboarding processes subject of investigation for effect on user attitude towards continued use of mobile applications. The study examined mobile onboarding processes and their effect on user attitude towards continued use of applications as well as the difference between onboarding processes effect on user attitude towards continued use of applications. The study was conducted within-subjects through a survey consisting of interaction with two prototypes with different onboarding processes and a questionnaire based on the technology acceptance model in order to investigate the variables of interest. The results of the survey were analyzed to measure the effects of the onboarding processes on the factors of the technology acceptance model and to investigate the differences between the onboarding processes. The results showed that user onboarding has a positive influence on perceived usefulness, attitude towards use and intention to use. There was no significant difference between the different types of onboarding patterns effect on attitude towards continued use. The positive effects on attitude and intention to use confirmed that implementing onboarding processes in mobile applications could be beneficial for value proposition and user retention. The perceived usefulness proved to be the determining factor on attitude and intention to use.
386

L'acceptation des nouvelles technologies par les personnes agées / Information and communication technology acceptance by elderly people

Boudin, Bertrand 06 December 2011 (has links)
Dans les trente prochaines années la génération du baby boom va atteindre le troisième âge et participer au vieillissement de la société. Cette population aura un besoin massif d’aide et de soins dont il n’est pas garanti que l’on puisse les assurer. Les nouvelles technologies adressées aux personnes âgées peuvent aider à résoudre ce problème mais pour cela il est indispensable que les aînés les acceptent. L’objectif de cette thèse est d’offrir un moyen de mesurer l’acceptation de ces technologies et de prédire leur utilisation. L’analyse de la documentation scientifique a permis d’identifier un modèle ayant les qualités requises pour cela, le modèle d’acceptation technologique proposé par Davis en 1989 (Technology Acceptance Model, TAM). Ce modèle se révèle parcimonieux et bien documenté mais il n’existait qu’en langue anglaise. D’autre part, la documentation scientifique montrait que la technologie la plus répandue parmi la population âgée et dépendante était la téléalarme. Ainsi, il a été décidé de traduire en français, adapter et valider un questionnaire issu du TAM pour prédire l’utilisation de la téléalarme par les personnes âgées dépendantes. Quatre études ont donc été menées, la première a consisté en une série d’entretiens, la deuxième en un questionnaire papier, et les deux dernières en un questionnaire par téléphone. Ce travail a abouti à l’obtention d’un instrument à dix items dont les qualités psychométriques se sont révélées acceptables. Le TAM fonctionne de la manière attendue il est donc possible de prédire l’utilisation de la téléalarme. Cependant deux limites doivent nuancer ces résultats, la première est que les études réalisées sont transversales ce qui empêche de parler de validité prédictive, la seconde et la modeste variance expliquée du questionnaire en français comparativement aux résultats publiés. En conclusion, le modèle doit s’enrichir de concepts spécifique à la population âgée afin d’affiner ses prédictions. / In the next thirty years the baby boomers are going to reach the third age and participate in the ageing of the whole French society. But no one can guarantee that their massive need of assistance and care will be provided. Information and communication technologies have the potential to help the elderly but only if they accept it. The aim of this thesis is to build a tool to assess the acceptance of these technologies and to predict their use. The scientific literature analysis revealed that the technology acceptance model proposed by Davis in 1989 had all the required qualities to build this tool. This model shows itself parsimonius and well documented but only existed in English. According to the literature the most widespread technology among the dependent elderly was the warning alarm. Thus, it was decided to translate into French, to adapt and to validate a questionnaire stemming from the technology acceptance model to predict the use of the warning alarm by dependent elderly. Four studies were thus led, the first consisted in a series of qualitative interviews, the second used a paper a pencil questionnaire, and both last ones in a phone questionnaire. This work ended in a ten items instrument with acceptable psychometric properties. The technology acceptance model works as expected and thus it is possible to predict the use of the remote alarm by dependent elderly. However, two shortcomings have to qualify these results, first the studies presented are cross-sectional which prevents from testing predictive validity, second the amount of explained variance by the questionnaire in French is limited compared with the published results. Finally, the model need to incorporate elderly specific constructs in order to make more accurate predictions.
387

ICD-10-CM Implementation Strategies: An Application of the Technology Acceptance Model

Monestime, Judith 01 January 2015 (has links)
The United States is one of the last countries to transition to the 10th edition of the International Classification of Diseases (ICD-10) coding system. The move from the 35-year-old system, ICD-9, to ICD-10, represents a milestone in the transformation of the 21st century healthcare industry. All covered healthcare entities were mandated to use the ICD-10 system on October 1, 2015, to justify medical necessity, an essential component in determining whether a service is payable or not. Despite the promising outcomes of this shift, more than 70% of healthcare organizations identified concerns related to education efforts, including lack of best practices for the ICD-10 transition. Lack of preparation for the implementation of ICD-10 undermines the clinical, technological, operational, and financial processes of healthcare organizations. This study was an exploration of implementation strategies used to overcome barriers to transition to ICD-10. A single case study was conducted, grounded by the conceptual framework of the technology acceptance model, to learn about ways to mitigate the barriers of this new coding system. Data were gathered from the review of documents, observations, and semistructured interviews with 9 participants of a public healthcare organization in Florida. Data were coded to identify themes. Key themes that emerged from the study included (a) in-depth ICD-10 training, (b) the prevalence of ICD-10 cheat sheets, (c) lack of system readiness, and (d) perception of usefulness of job performance. The results of the study may contribute to social change by identifying successful implementation strategies to mitigate operational disruptions that will allow providers to capture more detailed health information about the severity of patients' conditions.
388

Health Information Technology Implementation Strategies in Zimbabwe

Mandaza Mapesa, Nixjoen 01 January 2016 (has links)
The adoption rate of health information technology (HIT) remains low in developing countries, where healthcare institutions experience high operating costs and loss of revenue, which are related to systems and processes inefficiency. The purpose of this case study was to explore strategies leaders in Zimbabwe used to implement HIT. The conceptual framework of the study was Davis's technology acceptance model (TAM). Data were gathered through observations, review of organizational documents (i.e., policies, procedures, and guidelines), and in-depth interviews with a purposive sample of 10 healthcare leaders and end-users from hospitals in Zimbabwe who had successfully implemented HIT. Transcribed interview data were coded and analyzed for emerging themes. Implementation strategies, overcoming barriers to adoption, and user acceptance emerged as the themes most healthcare leaders associated with successful HIT projects. Several subthemes also emerged, including: (a) the importance of stakeholder involvement, (b) the importance of management buy-in, and (c) the low level of IT literacy among healthcare workers. The strategies identified in this study may provide a foundation on which healthcare leaders in developing countries can successfully adopt and implement HIT. The recommendations from this study could lead to positive social change by providing leaders with knowledge and skills to use information technology strategies to deliver better healthcare at lower costs while creating employment for local communities.
389

Suburban High School Teachers' Teaching Styles, Teaching Experiences, and Acceptance of Edmodo

Mukenge, Tshimpo C. 01 January 2019 (has links)
Southern U.S. teachers at suburban high schools can use Edmodo; however, teachers prefer traditional teacher-centered teaching methods. This quantitative correlative study explored teachers' technology acceptance in relation to teaching styles and experiences. Framing acceptance by Davis's technology acceptance model (TAM), research questions addressed the direct and moderating relationships between teaching style and the TAM variables related to using Edmodo and the direct and moderating relationships between teaching experiences and TAM variables. From 240 teachers at the high school, 45 completed an online survey (response rate of 18.75%). Descriptive statistics, ANOVA, and regression analyzed data. TAM could be verified for the entire sample; however, no significant direct relationship between teaching style and the TAM variables was found. Teaching style moderated the relationships within the TAM; these were stronger for teachers with a teacher-centered teaching style. No significant direct relationship existed between teaching experiences and TAM variables; a moderating effect on the relationships existed within the TAM. Among experienced teachers, ease of use was the strongest acceptance predictor, whereas perceived use was the strongest predictor among less experienced teachers. Results indicated teachers might develop a more student-centered teaching style, thus concentrating on technology's ease of use, rather than its potential utility. A policy recommendation could ensure teachers efficiently used technology to support student-centered learning. The application of the recommended policies might lead to teachers' more effective use of instructional technology, which might affect student learning and motivation.
390

L'impact des connaissances en technologie d'information des dirigeants sur le succès du système d'information des PME : une étude empirique au Vietnam

Le Duc, Thuy 08 February 2013 (has links)
Plusieurs recherches ont étudié les facteurs de succès du SI dans le contexte des PME. Mais, les dirigeants ont du mal à utiliser ces résultats à cause du nombre important de facteurs et de résultats souvent contradictoires de leurs impacts sur l’organisation. Dans le cadre de la théorie des ressources et du modèle d’acceptation de la technologie et, en tenant compte du contexte spécifique des PME, nous construisons un modèle théorique du succès du SI en nous appuyant sur le facteur des connaissances en TI des dirigeants. Ce modèle est testé empiriquement sur un échantillon de 123 PME, qui sont recensées par une enquête par questionnaire réalisée à Hanoi et ses alentours. Le résultat nous montre que la connaissance stratégique en TI, l’accès à la connaissance en TI et la connaissance en management des TI ont des impacts positifs sur le succès du SI des PME. Plus précisément, la connaissance stratégique en TI a des impacts directs sur le succès du SI, tandis que la norme subjective et la facilité d’utilisation perçue transmettent totalement l’impact de la connaissance en management des TI et de l’accès à la connaissance en TI. / Several studies have investigated the success factors of IS in the context of SMEs. But managers are struggling to use these results because of the large number of factors and of contradictory results of their impact on the organization. In the framework of resource-based theory and technology acceptance model, and taking into account the specific context of SMEs, we construct a theoretical model of IS success by building on the IT knowledge factor of managers. This model is empirically tested on a sample of 123 SMEs, which are identified by a survey conducted in Hanoi and its surroundings. The result shows that the strategic IT knowledge, access to IT knowledge and management of IT knowledge have a positive impact on IS success of SMEs. More specifically, the strategic IT knowledge has a direct impact on the IS success, while subjective norm and perceived ease of use totally convey the impact of IT knowledge management and access to IT knowledge.

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