59 research outputs found

    Creación de programas multi-participante en NetLogo. Aplicaciones en Ingeniería de Organización.

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    [ESP] NetLogo es un entorno de programación gratuito enfocado a la simulación de modelos basados en agentes. NetLogo ofrece un módulo denominado HubNet que facilita la creación de aplicaciones interactivas en las que los participantes (clientes) disponen de una pantalla con cierta información desde la que pueden enviar sus decisiones a un nodo central (servidor) que puede agregar o combinar esa información según proceda y comunicar los resultados de la interacción de decisiones a los clientes. Los clientes pueden entonces modificar sus decisiones a la vista de los resultados. HubNet facilita el diseño y la realización de experimentos de interacción social. En particular, en el campo de la ingeniería de organización, es útil para realizar simulaciones de procesos logísticos, tráfico, mecanismos de intercambio (subastas a sobre cerrado, cruces oferta- demanda,…) o decisiones de competencia empresarial bajo distintas estructuras de mercado (simuladores empresariales). Estas aplicaciones pueden usarse tanto para la docencia como para la investigación. Con carácter general, HubNet permite simular sistemas complejos basados en la interacción de las decisiones de distintos individuos

    Desarrollo de problemas prácticos interactivos con el programa Excel para las asignaturas del ámbito de la microeconomía

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    [ESP] De un modo más particular, en esta ocasión nos centramos en el desarrollo de una serie de aplicaciones de tipo informático que permitan fomentar el autoaprendizaje de los alumnos mediante metodologías activas y participativas, para las asignaturas relacionadas con la Microeconomía Básica e intermedia. En dichas aplicaciones se busca en todo momento proporcionar a los alumnos una mejor comprensión del análisis microeconómico. De modo que en este trabajo se aborda la explicación tanto del uso como de la utilidad de las citadas aplicaciones, las cuales han sido desarrolladas mediante los programas informáticos Excel y Visual Basic

    Factors associated with smoking among tuberculosis patients in Spain

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    Altres ajuts: This work was made possible by a grant from the Spanish Society of Pneumology and Thoracic Surgery, SEPAR 2011.To determine the prevalence of smoking and analyze associated factors in a cohort of patients diagnosed with tuberculosis (TB) in Spain between 2006 and 2013. Multicenter, cross-sectional, descriptive, observational study using a national database of TB patients, using logistic regression to calculate odds ratios (OR) and confidence intervals (CI). We analyzed 5,846 cases (62 % men, mean age 39 years, 33 % foreigners). 23.4 % were alcohol abuser, 1.3 % were injected drug users (IDU), 4.6 % were co-infected with HIV, and 7.5 % had a history of TB treatment. 6.6 % and 0.8 % showed resistance to one and multiple drugs, respectively. The predominant clinical presentation was pulmonary (71 %) with a cavitary radiological pattern in 32.8 % of cases. 82 % of cases were confirmed microbiologically, and 54 % were smear-positive microscopy. 2,300 (39.3 %) patients were smokers. The following factors were associated with smoking: male sex (OR = 2.26;CI:1.97;2.60), Spanish origin (OR = 2.79;CI:2.40-3.24), alcoholism (OR = 2.85;CI:2.46;3.31), IDU (OR = 2.78;CI:1.48;5.52), homelessness (OR = 1.99;CI:1.14-3.57), pulmonary TB (OR = 1.61;CI:1.16;2.24), cavitary radiological pattern (OR = 1.99;CI:1.43;2.79) and a smear-positive microscopy at the time of diagnosis (OR = 1.39;CI:1.14;1.17). The prevalence of smoking among TB patients is high. Smokers with TB have a distinct sociodemographic, clinical, radiological and microbiological profile to non-smokers

    Vacuna antinicotínica

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    Introducción: La dependencia a las sustancias de abuso constituye uno de los mayores problemas de saludpública en todo el mundo. El desarrollo de una vacuna contra la nicotina sugiere que en el futuro la inmunizaciónpodría ser una estrategia eficaz para el tratamiento y la prevención del tabaquismo. Materiales y Métodos: Lasvacunas desarrolladas actuarían uniéndose a las moléculas de nicotina en la sangre, previniendo así ladistribución de ésta al cerebro del fumador. Resultados: Tres son las vacunas desarrolladas en la actualidady en fase I de la investigación: NicVax, TA – NIC y NIC – Qb. Conclusiones: Los resultados obtenidos hasta ahorademuestran que la vacuna antinicotinica es segura, bien tolerada y genera una adecuada respuesta inmunológicacontra la nicotina, siendo su futuro prometedor. PALABRAS CLAVE: Tabaquismo. Nicotina. Vacuna. Anticuerpos

    Una herramienta didáctica para la enseñanza de la teoría de juegos mediante Internet

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    Este trabajo presenta una herramienta didáctica diseñada para facilitar la realización de prácticas participativas con alumnos vía Internet. La herramienta se centra en el aprendizaje de conceptos y problemas propios de las interacciones sociales.  El programa desarrollado se ofrece gratuitamente a la comunidad académica en la direcciónhttp://www.insisoc.org/tragedia_de_los_comunes.html.  El artículo describe el programa informático y discute la utilidad de este tipo de herramientas participativas para la enseñanza, y en particular para el estudio de situaciones en las que los resultados para un individuo (alumno) dependen no sólo de sus decisiones, sino también de las decisiones del resto de individuos con los que interactúa. Abstract This paper presents a computer program designed to conduct classroom experiments through the Internet. The program is aimed to facilitate the teaching of several concepts and issues that are characteristic of various social interactions. The computer program is freely available at http://www.insisoc.org/tragedia_de_los_comunes.html. The paper describes the computer program and discusses the usefulness of this kind of participative tools for learning, focusing particularly on those cases in which the results for a player (student) depend not only on their own decisions, but also on the decisions of the other students

    Chatter that Matters: Word-of-Mouth Marketing of Selected Micro Businesses and Small and Medium Enterprises in Malolos City, Bulacan

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    The study quantified the usage of and range of word-of-mouth (WOM) marketing, and analyzed the present state and satisfaction with WOM marketing tactics of selected micro businesses, small and medium enterprises in Malolos City, Bulacan. Purposive and convenience sampling were employed on marketers and owners who were available and who were willing to participate in the study using structured interview questions. 125 companies situated only in Malolos City proper and proximate places were selected

    Assessment of the influence of direct tobacco smoke on infection and active TB management

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    Smoking is a risk factor for tuberculosis (TB) infection and disease progression. Tobacco smoking increases susceptibility to TB in a variety of ways, one of which is due to a reduction of the IFN-γ response. Consequently, an impaired immune response could affect performance of IFN-γ Release Assays (IGRAs).Miguel Servet program of the Instituto de Salud Carlos III (Spain). ML was supported by a joint ERS/SEPAR fellowship (LTRF 2015). The research was partially supported by a grant from the Instituto de Salud Carlos III (PI 13/01546 and PI 16/01912), integrated in the Plan Nacional de I+D+I and cofunded by the ISCIII Subdirección General de Evaluación and the Fondo Europeo de Desarrollo Regional (FEDER); and a grant from the Sociedad Española de Neumología y Cirugía Torácica (SEPAR; Barcelona, Spain) (Smoking Integrated Research Programme Call) to NA

    Stochastic Approximation to Understand Simple Simulation Models

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    This paper illustrates how a deterministic approximation of a stochastic process can be usefully applied to analyse the dynamics of many simple simulation models. To demonstrate the type of results that can be obtained using this approximation, we present two illustrative examples which are meant to serve as methodological references for researchers exploring this area. Finally, we prove some convergence results for simulations of a family of evolutionary games, namely, intra-population imitation models in n-player games with arbitrary payoffs.Ministerio de Educación (JC2009- 00263), Ministerio de Ciencia e Innovación (CONSOLIDER-INGENIO 2010: CSD2010-00034, DPI2010-16920

    Factors associated with smoking among tuberculosis patients in Spain

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    BACKGROUND: To determine the prevalence of smoking and analyze associated factors in a cohort of patients diagnosed with tuberculosis (TB) in Spain between 2006 and 2013. METHODS: Multicenter, cross-sectional, descriptive, observational study using a national database of TB patients, using logistic regression to calculate odds ratios (OR) and confidence intervals (CI). RESULTS: We analyzed 5,846 cases (62 % men, mean age 39 years, 33 % foreigners). 23.4 % were alcohol abuser, 1.3 % were injected drug users (IDU), 4.6 % were co-infected with HIV, and 7.5 % had a history of TB treatment. 6.6 % and 0.8 % showed resistance to one and multiple drugs, respectively. The predominant clinical presentation was pulmonary (71 %) with a cavitary radiological pattern in 32.8 % of cases. 82 % of cases were confirmed microbiologically, and 54 % were smear-positive microscopy. 2,300 (39.3 %) patients were smokers. The following factors were associated with smoking: male sex (OR = 2.26;CI:1.97;2.60), Spanish origin (OR = 2.79;CI:2.40–3.24), alcoholism (OR = 2.85;CI:2.46;3.31), IDU (OR = 2.78;CI:1.48;5.52), homelessness (OR = 1.99;CI:1.14–3.57), pulmonary TB (OR = 1.61;CI:1.16;2.24), cavitary radiological pattern (OR = 1.99;CI:1.43;2.79) and a smear-positive microscopy at the time of diagnosis (OR = 1.39;CI:1.14;1.17). CONCLUSIONS: The prevalence of smoking among TB patients is high. Smokers with TB have a distinct sociodemographic, clinical, radiological and microbiological profile to non-smokers
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