842 resultados para exploratory


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Fil: Porto, Melina. Universidad Nacional de La Plata. Facultad de Humanidades y Ciencias de la Educación; Argentina.

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El presente trabajo examina las metas de vida de adolescentes argentinos, de entre 17 y 19 años, escolarizados de ambos sexos, de distintas provincias del norte, centro y sur del país. Hace referencia a la importancia que adquiere en la actualidad la comprensión de la adolescencia como proceso de autonomización. Luego se trata de investigar las características de las metas expresadas por los/las adolescentes en un total de 3867 protocolos; establecer categorías de análisis, definirlas desde el marco teórico y ejemplificar las tipologías halladas. Asimismo, se plantean las condiciones que las articulan, y se mencionan algunas subcategorías. Desde esta mirada, estamos considerando las metas como el fruto de la actividad del sujeto. De un sujeto perteneciente a una comunidad, un sujeto que "se piensa", que produce sentidos en función de modos específicos de relación y en su contexto. A su vez estos significados se enlazan en una trama histórico-temporal y se organizan formado patrones motivacionales que inciden en sus proyectos de vida.

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Fil: Porto, Melina. Universidad Nacional de La Plata. Facultad de Humanidades y Ciencias de la Educación; Argentina.

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El presente trabajo examina las metas de vida de adolescentes argentinos, de entre 17 y 19 años, escolarizados de ambos sexos, de distintas provincias del norte, centro y sur del país. Hace referencia a la importancia que adquiere en la actualidad la comprensión de la adolescencia como proceso de autonomización. Luego se trata de investigar las características de las metas expresadas por los/las adolescentes en un total de 3867 protocolos; establecer categorías de análisis, definirlas desde el marco teórico y ejemplificar las tipologías halladas. Asimismo, se plantean las condiciones que las articulan, y se mencionan algunas subcategorías. Desde esta mirada, estamos considerando las metas como el fruto de la actividad del sujeto. De un sujeto perteneciente a una comunidad, un sujeto que "se piensa", que produce sentidos en función de modos específicos de relación y en su contexto. A su vez estos significados se enlazan en una trama histórico-temporal y se organizan formado patrones motivacionales que inciden en sus proyectos de vida.

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The analysis of time-dependent data is an important problem in many application domains, and interactive visualization of time-series data can help in understanding patterns in large time series data. Many effective approaches already exist for visual analysis of univariate time series supporting tasks such as assessment of data quality, detection of outliers, or identification of periodically or frequently occurring patterns. However, much fewer approaches exist which support multivariate time series. The existence of multiple values per time stamp makes the analysis task per se harder, and existing visualization techniques often do not scale well. We introduce an approach for visual analysis of large multivariate time-dependent data, based on the idea of projecting multivariate measurements to a 2D display, visualizing the time dimension by trajectories. We use visual data aggregation metaphors based on grouping of similar data elements to scale with multivariate time series. Aggregation procedures can either be based on statistical properties of the data or on data clustering routines. Appropriately defined user controls allow to navigate and explore the data and interactively steer the parameters of the data aggregation to enhance data analysis. We present an implementation of our approach and apply it on a comprehensive data set from the field of earth bservation, demonstrating the applicability and usefulness of our approach.

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Today's digital libraries (DLs) archive vast amounts of information in the form of text, videos, images, data measurements, etc. User access to DL content can rely on similarity between metadata elements, or similarity between the data itself (content-based similarity). We consider the problem of exploratory search in large DLs of time-oriented data. We propose a novel approach for overview-first exploration of data collections based on user-selected metadata properties. In a 2D layout representing entities of the selected property are laid out based on their similarity with respect to the underlying data content. The display is enhanced by compact summarizations of underlying data elements, and forms the basis for exploratory navigation of users in the data space. The approach is proposed as an interface for visual exploration, leading the user to discover interesting relationships between data items relying on content-based similarity between data items and their respective metadata labels. We apply the method on real data sets from the earth observation community, showing its applicability and usefulness.

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Although there are many definitions of SME's there is no globally accepted definition of a small or medium-sized enterprise. Small Medium Enterprises (SME) the catalyst in economic growth & development of the country, are facing tough competition in market place and in establishing themselves as credible supplier of quality product and services. In India they are producing more than 8000 different products. The common perception is that small to medium businesses have very little options in terms of CRM solutions. This is clearly not the case. SME's now have a lot of options and can exercise same. Businesses are shifting from product centric to customer centric. Long before the advent of technology, businesses have always recognized that the customer is the soul of every business. Businesses try to have personal relationship with their customers. Moving towards customer centric approach is a multi prolonged efforts that requires transformation of process, culture and strategy from top level to every individual employee. Technology has a crucial role in providing tools and infrastructure to support this. CRM supports SMEs in their business customer loyalty.

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From pharmacological studies using histamine antagonists and agonists, it has been demonstrated that histamine modulates many physiological functions of the hypothalamus, such as arousal state, locomotor activity, feeding, and drinking. Three kinds of receptors (H1, H2, and H3) mediate these actions. To define the contribution of the histamine H1 receptors (H1R) to behavior, mutant mice lacking the H1R were generated by homologous recombination. In brains of homozygous mutant mice, no specific binding of [3H]pyrilamine was seen. [3H]Doxepin has two saturable binding sites with higher and lower affinities in brains of wild-type mice, but H1R-deficient mice showed only the weak labeling of [3H]doxepin that corresponds to lower-affinity binding sites. Mutant mice develop normally, but absence of H1R significantly increased the ratio of ambulation during the light period to the total ambulation for 24 hr in an accustomed environment. In addition, mutant mice significantly reduced exploratory behavior of ambulation and rearings in a new environment. These results indicate that through H1R, histamine is involved in circadian rhythm of locomotor activity and exploratory behavior as a neurotransmitter.

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Objectives: To assess views of parents of babies who participated in a neonatal trial, about feedback of trial results.

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Latino family involvement is an important issue in the field of education. Effective strategies to promote family involvement in the Latino community are vital for the educational attainment of Latino students and emotional wellbeing of Latino families. This study used focus groups, in-depth interviews, and observations to examine Latino family involvement and the relationships and communication patterns between Latina mothers and daughters. The Latina mother-daughter relationship was studied in an effort to gain a better understanding of how this relationship affects a Latina daughter's educational attainment and sense of resiliency. Results indicated that a positive relationship between a Latina mother and daughter can increase a Latina daughter's level of educational attainment and sense of resiliency. Additionally, a Latina daughter's level of self-motivation can affect her level of educational attainment as well. Cultural narratives were found to be a common type of communication pattern used between Latina mothers and daughters. They were used to teach cultural values, life lessons, and experiential learning. By improving family involvement efforts within the Latino culture, Latino students will likely see drastic improvements in their overall levels of educational attainment and emotional wellbeing in schools. Implications for Latino students and families, schools that work with Latino families, and educational policy are also discussed.

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Purpose: The primary goal of this exploratory study is to demonstrate that distress screening across the course of cancer treatment is possible and provides valuable information about patient needs over time. Distress screening is aligned with guidelines from national accrediting organizations and may lead to improved health-related quality of life, satisfaction with medical care, and possibly survival.Methods: Medical, surgical, and radiation oncology patients completed a screening instrument before their appointments during a six-month period. Patients indicated their level of distress on four domains (practical, emotional, health and social concerns). De-identified data was collected, aggregated and descriptive statistics were analyzed.Results: Approximately 3000 screens were collected and 1500 cancer patients were screened. Of patients who indicated distress, 54% demonstrated a distress level of five or greater. Distress level eight was the most frequent level of distress indicated. The Cancer Dietitian was the most commonly requested healthcare team provider. The Health Concern domain was most frequently endorsed.Conclusion: NCCN, IOM and COC guidelines recommend distress screening in all cancer treatment centers, however implementation has proven difficult. This study adds to the literature about distress in cancer patients, demonstrates the feasibility of repeated distress screening and provides a model program demonstrating the implementation of repeated distress screening at a community cancer center. Findings highlight the importance of supportive oncology services due to the prevalence of high levels of distress. Findings demonstrate the importance of the Cancer Dietitian in supportive cancer care. Additionally, the research reveals a potential perceived stigma in seeking psychosocial oncology services.

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Findings from the fields of attachment theory, physiology, neurology, neurobiology and cognitive theory, when considered together, enhance understanding of the behavior and development of maltreated children. Each field describes from its own vantage how emotional trauma influences the quality and quantity of exploratory behavior. Development in many spheres is influemced by behavior. There is evidence from the field of neurobiology that experience ultimately influences the anatomy of the brain. Therefore, it can be hypothesized that constricted, overly defensive behavior in childhood ultimately compromises the development of the central nervous system itself. The altered neurobiology may help explain some of the developmental delays and failures seen in some maltreated children. Such developmental disruptions may include lowered intellectual performance, impaired ability to learn from experience, behavioral regressions under stress, and characterological abnormalities. This neurobiologic hypothesis has implications for research, intervention and training of professionals.It encourages 1) the identification of those deficit capacities most vulnerable to becoming neurologically based, 2) identification of ways to help the maltreated child explore and be accessible to developmental experiences, 3) more emphasis on the development of cognitive capacities, and 4) more breadth of training for professionals who work with maltreated children and their families.

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Understanding spatial distributions and how environmental conditions influence catch-per-unit-effort (CPUE) is important for increased fishing efficiency and sustainable fisheries management. This study investigated the relationship between CPUE, spatial factors, temperature, and depth using generalized additive models. Combinations of factors, and not one single factor, were frequently included in the best model. Parameters which best described CPUE varied by geographic region. The amount of variance, or deviance, explained by the best models ranged from a low of 29% (halibut, Charlotte region) to a high of 94% (sablefish, Charlotte region). Depth, latitude, and longitude influenced most species in several regions. On the broad geographic scale, depth was associated with CPUE for every species, except dogfish. Latitude and longitude influenced most species, except halibut (Areas 4 A/D), sablefish, and cod. Temperature was important for describing distributions of halibut in Alaska, arrowtooth flounder in British Columbia, dogfish, Alaska skate, and Aleutian skate. The species-habitat relationships revealed in this study can be used to create improved fishing and management strategies.