897 resultados para Online application


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Prior to 2000, there were less than 1.6 million students enrolled in at least one online course. By fall 2010, student enrollment in online distance education showed a phenomenal 283% increase to 6.1 million. Two years later, this number had grown to 7.1 million. In light of this significant growth and skepticism about quality, there have been calls for greater oversight of this format of educational delivery. Accrediting bodies tasked with this oversight have developed guidelines and standards for online education. There is a lack of empirical studies that examine the relationship between accrediting standards and student success. The purpose of this study was to examine the relationship between the presence of Southern Association of Colleges and Schools Commission on College (SACSCOC) standards for online education in online courses, (a) student support services and (b) curriculum and instruction, and student success. An original 24-item survey with an overall reliability coefficient of .94 was administered to students (N=464) at Florida International University, enrolled in 24 university-wide undergraduate online courses during fall 2014, who rated the presence of these standards in their online courses. The general linear model was utilized to analyze the data. The results of the study indicated that the two standards, student support services and curriculum and instruction were both significantly and positively correlated with student success but with small R2 and strengths of association less than .35 and .20 respectively. Mixed results were produced from Chi-square tests for differences in student success between higher and lower rated online courses when controlling for various covariates such as discipline, gender, race/ethnicity, GPA, age, and number of online courses previously taken. A multiple linear regression analysis revealed that the curriculum and instruction standard was the only variable that accounted for a significant amount of unique variance in student success. Another regression test revealed that no significant interaction effect exists between the two SACSCOC standards and GPA in predicting student success. The results of this study are useful for administrators, faculty, and researchers who are interested in accreditation standards for online education and how these standards relate to student success.

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Online courses have increased in enrollments over the past few decades. As the number of students taking online courses have increased, so has the number of students who have dropped or failed an online course. According to the literature, online courses may have higher drop rates than traditional, face-to-face courses. The number of students who fail an online course is, also, of concern. As online courses may continue to grow over the next few decades, studies on persistence in online courses may benefit students, administrators, instructional designers, educators, and researchers. Although previous research studies have addressed persistence in online courses, very few examine it from the perspectives of students who were unsuccessful in their courses. These students may have unique insights about the online experience that may have related to their lack of success. The purpose of this study was to understand the experiences of university students who have failed or dropped an online course through the lenses of transactional distance theory and Kember’s model of dropout in distance education. Transactional distance theory discusses the dialog, structure, and learner autonomy involved in an online course, while, Kember’s model presents categories that may relate to dropping an online course. Together, the theory and model may help in understanding the experiences of students who have dropped or failed an online course. In this study, semi-structured interviews were conducted with 20 participants from a large Southeastern university in the United States. Based on the participants’ responses, the data was sorted and ranked according to the amount of transactional distance in their courses, as well as the categories of Kember’s model. Many of the participants who experienced low or high transactional distance have, also, expressed an issue with the goal commitment category of Kember’s model. Additionally, there were important differences in the student characteristics of those who dropped or failed an online course. Furthermore, suggestions for improving online courses were given by the participants. Some of these suggestions included more student-instructor interactions, the use of more technology tools in their online course, and for orientations to the online environment to be offered.

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Research and discourse on Eating Disorders (ED) have a tendency to perpetuate certain stereotypes regarding women of color, however unintentional or innocuous it may appear. The research conducted, does show that the prominent ED within communities of minorities or of lower social status is Binge Eating Disorder (BED). A Foucauldian discourse analysis of online forums by young women with ED, such as myproana.com, would be the primary method of documenting how these women form a hierarchy of the community's ED, and analyze if it correlates with the social status primarily associated with the Eating Disorder. Within these forums, and ED based communities, a clear hierarchy is formed, with Anorexia Nervosa at the top and BED at the bottom. From the minimal research available on women of color and ED, it is clear that, for Black women at least, BED is the most common—and thus it is my goal to explore any possible correlation if applicable. Because so little exists that focuses on EDs in women of color, this analysis may help to promote more research in race and class dynamics of Eating Disorders, as well on how those factors affect how women view their own bodies.

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Computational Intelligence Methods have been expanding to industrial applications motivated by their ability to solve problems in engineering. Therefore, the embedded systems follow the same idea of using computational intelligence tools embedded on machines. There are several works in the area of embedded systems and intelligent systems. However, there are a few papers that have joined both areas. The aim of this study was to implement an adaptive fuzzy neural hardware with online training embedded on Field Programmable Gate Array – FPGA. The system adaptation can occur during the execution of a given application, aiming online performance improvement. The proposed system architecture is modular, allowing different configurations of fuzzy neural network topologies with online training. The proposed system was applied to: mathematical function interpolation, pattern classification and selfcompensation of industrial sensors. The proposed system achieves satisfactory performance in both tasks. The experiments results shows the advantages and disadvantages of online training in hardware when performed in parallel and sequentially ways. The sequentially training method provides economy in FPGA area, however, increases the complexity of architecture actions. The parallel training method achieves high performance and reduced processing time, the pipeline technique is used to increase the proposed architecture performance. The study development was based on available tools for FPGA circuits.

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Background: British Columbia’s Fraser Health Authority (FHA) neonatal intensive care units (NICUs) value family centered care (FCC). Nevertheless, there is limited evidence that FCC is actually incorporated into practice, as well as some concern that FHA NICU education is inaccessible, inconsistent, or disorganized. Purpose: The mission of this project is to support the principles of FCC throughout the development of an FHA online NICU family education guide by reflecting upon the needs of families throughout their NICU journey. Methods: A needs assessment was initially completed and included literature reviews, consultations, and an environmental scan. This data informed development of an online NICU family education guide which plots current education materials along key stages of the NICU journey: prenatal, admission, early days, growing and developing, discharge and at home. For the purposes of this practicum, only the prenatal stage was fully developed and will serve as a template for other stages following a formative evaluation. A pamphlet and revised FHA Neonatal Checkpoint will also be developed to augment teaching by health care professionals. Implementation and evaluation plans were adapted from the Center for Disease Control Framework for Program Evaluation in Public Health. Results: The needs assessment validates and directs the development, implementation, and evaluation of the online guide illustrating an FCC approach. The online guide centralizes and organizes education by selecting education topics that relate to each stage of the NICU journey. This family-directed design enables families’ access to consistent and reliable information and offers them an opportunity to learn at their own pace. Conclusion: The process of creating, implementing, and evaluating an online family education program for FHA NICUs elucidates the intricacies and the advantages of integrating FCC into NICU practice.

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Egy digitális eszköz megvásárlásakor különösen, de más helyzetekben is, az egyik legmeghatározóbb viszonyítási pont, az, hogy mások mit mondtak róla, mit írnak a fórumok. Egy szállodáról, egy ebook olvasóról való tájékozódás során vélemények sorozatával kerülünk szembe az online közösségi térben, ahol a vélemények sorrendje, modalitása, részletessége, pozitív és negatív kicsengése is meghatározza döntésünket. Kutatásunkban online döntési helyzeteket állítottunk elő, ahol a tájékozódási pont más felhasználók autentikus véleménye volt. Arra kerestünk a választ, hogy az online vélemények minősége milyen összefüggésben lehet a vásárlási döntésekkel, milyen érzelmi reakciókat váltanak ki az egyes vélemények. Cikkünkben a kutatás kvalitatív projektív módszertanra, állat-metaforákra (Phillips, 1996) épített részét ismertetjük. A válaszok összességében függetlenül a kommentek pozitív vagy negatív kicsengésétől bagoly, kutya, macska asszociációkat adták meg a legnagyobb számban, ugyanakkor az ellentmondásos véleményeket igen árnyaltan nagyon sokféle asszociációt felsorolva értékelték.

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A TANULMÁNY CÉLJA A szájreklám régóta fontos területként jelenik meg a marketing szakirodalomban. A tanulmány azonban az online word-of-mouth kutatások között új nézőpontból vizsgálja a szájreklámhoz köthető egyéni magatartáskomponensek hatását az elégedettségre, és ezen keresztül a továbbajánlási és újravásárlási szándékra. ALKALMAZOTT MÓDSZERTAN A látens változók közötti kapcsolatok elemzésére a strukturális egyenletek módszertana (SEM) került alkalmazásra. Az 1 000 fős mintavétel online kérdőíves megkérdezéssel történt azok körében, akik az adatfelvételt megelőző 3 hónapban vásároltak az interneten. Az egyes látens változók mérésére a szakirodalomban fellelhető korábbi kutatások alapján került sor és a skálák megbízhatósági mutatói megfelelőnek bizonyultak. A KUTATÁS LEGFONTOSABB EREDMÉNYE, ÚJDONSÁGOK A feltárt összefüggések többsége szignifikáns és a felvázolt modell illeszkedésmutatói is elfogadhatóak. A személyközi információs befolyásoltság, mint egyéni tényező, meghatározó jelentőséggel bír a vélemények keresésére és terjesztésére mind online, mind offline környezetben. A kapcsolat szorossága és az észlelt hasonlóság pozitív szignifikáns kapcsolatot mutat az online véleményelfogadási hajlandósággal. Az online véleménykeresés a véleményelfogadáson keresztül szintén pozitív hatást gyakorol az elégedettségre és így a továbbajánlási és az újravásárlási szándékra. Mindez fontos mozzanatát jelenti az online vásárlásoknak, hiszen a vállalattal fennálló kapcsolat nagyobb valószínűséggel folytatódik és még inkább sor kerülhet a továbbajánlásra online vagy offline környezetben. GYAKORLATI/GAZDASÁGPOLITIKAI JAVASLATOK Gyakorlati szempontból érdekes következményekkel jár a modellben feltárt összefüggésrendszer. Ezek szerint azok, akik magasabb véleménykeresési magatartással, mint általános személyes jellemzővel bírnak, az internetes vásárlásaik során egy konkrét alkalommal is magasabb elégedettséggel rendelkeznek majd. Így érdemes lehet e tényezőt önmagában is szegmentációs ismérvnek tekinteni, amennyiben a vállalati cél, hogy pozitívabb vásárlási kimeneteket, elégedettebb ügyfeleket szerezzenek. Tovább árnyalja azonban a képet az online véleményadási magatartás és az elégedettség között feltárt negatív irányú kapcsolat. E mögött számos okot feltételezhetünk, amelyek kifejtésre kerülnek a tanulmányban.

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O presente contexto mercadológico da educação superior, onde a concorrência é cada vez mais acirrada, tem levado as instituições de ensino a estabelecer um processo de gestão de comunicação e marketing mais estratégico e competitivo, buscando alcançar uma posição diferenciada em relação à concorrência, a fim de conquistar seus públicos de interesse. Este trabalho contemplou a aplicação dos objetivos de comunicação no mercado de ensino superior, analisando as formas pelas quais as instituições vêm estabelecendo os processos comunicacionais com seus públicos-alvo, estando direcionado para as Universidades privadas brasileiras. A pesquisa se apóia em: revisão bibliográfica, entrevistas em profundidade com gestores de comunicação e marketing do setor pesquisado e análise de conteúdo de peças de comunicação em mídia online. Inicialmente foi elaborado um relato acerca do contexto atual do mercado de ensino superior no Brasil: sua evolução e caracterização. Em seguida, definiu-se marketing aplicado ao segmento de educação superior: conceitos e o papel designado a ele. Posteriormente relacionou-se comunicação mercadológica com o serviço de educação superior e sua aplicabilidade neste setor. Depois, foram realizadas entrevistas em profundidade - semiestruturadas, com gestores de comunicação e marketing de duas instituições, localizadas na cidade de São Paulo (Insper e Universidade São Judas Tadeu) com posicionamentos antagônicos e classificações distintas quanto à sua imagem para o mercado -, com a finalidade de conhecer suas visões e opiniões sobre o mercado e as ações de comunicação de marketing que vêm adotando. Finalmente, foi elaborada análise de contéudo, comparando anúncios (peças publicitárias) em mídia online das duas IES estudadas. Todos os procedimentos da análise de contéudo foram estabelecidos e categorizados com base nos objetivos de comunicação definidos por Yanaze (2011).

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El objetivo principal de el proyecto es identificar diferentes procesos y modalidades que permitan convertir la evaluación sumativa (EV) en evaluación formativa (EF), específicamente en entornos educativos online, de modo que la evaluación, además de certificar la adquisición de unos conocimientos determinados, pueda convertirse en un instrumento del proceso de enseñanza-aprendizaje.

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Cada vez son más los usuarios que optan por usar un juez online de programación como entrenamiento para un concurso de programación o inclusive como herramienta de estudio en el ámbito docente. No obstante, es natural que con su uso se cometan errores que muchas veces no se alcanzan a entender. Por ello, en este proyecto, se trata de resolver esa carencia mediante el ofrecimiento de pistas a los usuarios. Es decir, dado un problema con un formato concreto y una solución en código fuente, se devuelve una ayuda sobre el error cometido en la solución, lo cual supone, no solo una ayuda para participantes en concursos, sino también para alumnos y profesores que pueden beneficiarse de esta ayuda. De hecho, el uso de herramientas de corrección automática está en aumento, y con la solución propuesta, se podría obtener pistas para los problemas que respeten el formato esperado.

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Esta tesis doctoral tiene su origen en el proyecto educativo online y offline Arte Casellas que se inició con el propósito de solucionar dos necesidades. La primera, ofrecer a los alumnos de bachillerato una formación que les capacitase para superar la prueba específica de acceso a los Estudios Superiores de Grado de Diseño y la segunda la superación de paradigmas educativos obsoletos estimulando el espíritu de emprendimiento e independencia económica de los docentes. El citado proyecto contaba con una página web en la que se estaban aplicando los conceptos básicos de marca personal y marketing educativo y se había comenzando a implementar, entre otros productos, un curso online impartido por videoconferencia sincrónica con el que se estaba enseñando dibujo técnico y artístico, creatividad e historia del diseño. Este curso se convirtió en el estudio de caso de esta tesis doctoral...

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Background: Information seeking is an important coping mechanism for dealing with chronic illness. Despite a growing number of mental health websites, there is little understanding of how patients with bipolar disorder use the Internet to seek information. Methods: A 39 question, paper-based, anonymous survey, translated into 12 languages, was completed by 1222 patients in 17 countries as a convenience sample between March 2014 and January 2016. All patients had a diagnosis of bipolar disorder from a psychiatrist. Data were analyzed using descriptive statistics and generalized estimating equations to account for correlated data. Results: 976 (81 % of 1212 valid responses) of the patients used the Internet, and of these 750 (77 %) looked for information on bipolar disorder. When looking online for information, 89 % used a computer rather than a smartphone, and 79 % started with a general search engine. The primary reasons for searching were drug side effects (51 %), to learn anonymously (43 %), and for help coping (39 %). About 1/3 rated their search skills as expert, and 2/3 as basic or intermediate. 59 % preferred a website on mental illness and 33 % preferred Wikipedia. Only 20 % read or participated in online support groups. Most patients (62 %) searched a couple times a year. Online information seeking helped about 2/3 to cope (41 % of the entire sample). About 2/3 did not discuss Internet findings with their doctor. Conclusion: Online information seeking helps many patients to cope although alternative information sources remain important. Most patients do not discuss Internet findings with their doctor, and concern remains about the quality of online information especially related to prescription drugs. Patients may not rate search skills accurately, and may not understand limitations of online privacy. More patient education about online information searching is needed and physicians should recommend a few high quality websites.

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Background: Depression is the most common mental health problem among young people, particularly university students, with prevalence rates as high as 48% reported. This population however, is reluctant to seek professional help. Online interventions may be particularly appealing to students, with evidence suggesting that they use the Internet for mental health support. While there are many mental health resources on the Internet few focus specifically on the needs of young people and few have been evaluated. This research aimed to develop and pilot test an online peer support intervention for students experiencing depressive symptoms. Methods: A depression support Web site (www.losetheblues.ie) was designed specifically for 18-24. year old students. The study used a mixed method, involving quantitative descriptive, pre- and post-test and qualitative descriptive designs. Data were collected using the Centre for Epidemiological Studies Depression Scale (CES-D), a background questionnaire and online forum posts. Results: The sample consisted of 117 university students with self-reported depressive symptoms. Results from participants in the pre- and post-test element of the study, showed no statistical significance. The forum posts revealed that the participants' main difficulties were loneliness and perceived lack of socialization skills. The Web site provided a place for sharing, offering and receiving emotional and informational support. Conclusion: Developing health care interventions in an online environment presents unique challenges to the research process, however they have the potential to provide mental health care that is accessible and affordable.

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Online Social Network (OSN) services provided by Internet companies bring people together to chat, share the information, and enjoy the information. Meanwhile, huge amounts of data are generated by those services (they can be regarded as the social media ) every day, every hour, even every minute, and every second. Currently, researchers are interested in analyzing the OSN data, extracting interesting patterns from it, and applying those patterns to real-world applications. However, due to the large-scale property of the OSN data, it is difficult to effectively analyze it. This dissertation focuses on applying data mining and information retrieval techniques to mine two key components in the social media data — users and user-generated contents. Specifically, it aims at addressing three problems related to the social media users and contents: (1) how does one organize the users and the contents? (2) how does one summarize the textual contents so that users do not have to go over every post to capture the general idea? (3) how does one identify the influential users in the social media to benefit other applications, e.g., Marketing Campaign? The contribution of this dissertation is briefly summarized as follows. (1) It provides a comprehensive and versatile data mining framework to analyze the users and user-generated contents from the social media. (2) It designs a hierarchical co-clustering algorithm to organize the users and contents. (3) It proposes multi-document summarization methods to extract core information from the social network contents. (4) It introduces three important dimensions of social influence, and a dynamic influence model for identifying influential users.

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This research examined the factors contributing to the performance of online grocers prior to, and following, the 2000 dot.com collapse. The primary goals were to assess the relationship between a company’s business model(s) and its performance in the online grocery channel and to determine if there were other company and/or market related factors that could account for company performance. To assess the primary goals, a case based theory building process was utilized. A three-way cross-case analysis comprising Peapod, GroceryWorks, and Tesco examined the common profit components, the structural category (e.g., pure-play, partnership, and hybrid) profit components, and the idiosyncratic profit components related to each specific company. Based on the analysis, it was determined that online grocery store business models could be represented at three distinct, but hierarchically, related levels. The first level was termed the core model and represented the basic profit structure that all online grocers needed in order to conduct operations. The next model level was termed the structural model and represented the profit structure associated with the specific business model configuration (i.e., pure-play, partnership, hybrid). The last model level was termed the augmented model and represented the company’s business model when idiosyncratic profit components were included. In relation to the five company related factors, scalability, rate of expansion, and the automation level were potential candidates for helping to explain online grocer performance. In addition, all the market structure related factors were deemed possible candidates for helping to explain online grocer performance. The study concluded by positing an alternative hypothesis concerning the performance of online grocers. Prior to this study, the prevailing wisdom was that the business models were the primary cause of online grocer performance. However, based on the core model analysis, it was hypothesized that the customer relationship activities (i.e., advertising, promotions, and loyalty program tie-ins) were the real drivers of online grocer performance.