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Imagen de apoyo de The perceptions of monoligual spanish parents towards their daughters’ learing process of acquiring a second language and their ideas on how we, as a school can help them through this process

The perceptions of monoligual spanish parents towards their daughters’ learing process of acquiring a second language and their ideas on how we, as a school can help them through this process

Por: Ana María Rojas Nariño | Fecha: 2009

This research investigated how monolingual Spanish speaking parents perceived their involvement during their daughters’ second language acquisition process, and what they believed the school should do to help them help their daughters. The researcher contacted 25 parents who live in Bogotá- Colombia and then administrated a questionnaire via email. It was found that: (1) Parents want to raise bilingual children in order to prepare them for the future but, (2) their low proficiency level in the second language is the main barrier to be 100 percent involved during the SLA process (3) Parents believe that in order for their daughters to be successful not only in acquiring a second language, but during their school life, both school and parents need to work as a team (4) Mothers, which according to the findings have the lowest proficiency in the second language, are the ones having to help their daughters at home with homework, and therefore the SLA process, adding an extra stress to their everyday household activities (5). The parents of this study know exactly want they want the school to teach them in order to feel proficient when helping their daughters, for that reason, the school needs to take the necessary steps to motivate, support and guide parents to be involved and effective when it comes to helping their daughters learn. Excerpts in both English and Spanish, are presented throughout the research. At the end, limitations of this research and recommendations for future research are stated.
Fuente: Biblioteca Virtual Banco de la República Formatos de contenido: Tesis
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The perceptions of monoligual spanish parents towards their daughters’ learing process of acquiring a second language and their ideas on how we, as a school can help them through this process

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Imagen de apoyo de Reporting on victims of violence: Media coverage of the extrajudicial killings in Colombia = Reportaje periodístico de víctimas de la violencia: Cobertura Mediática de las ejecuciones Extrajudiciales en Colombia

Reporting on victims of violence: Media coverage of the extrajudicial killings in Colombia = Reportaje periodístico de víctimas de la violencia: Cobertura Mediática de las ejecuciones Extrajudiciales en Colombia

Por: Sandra Milena Rodríguez Rojas | Fecha: 2010

This research examines the newspaper coverage, El Tiempo, of the extrajudicial killings in Colombia and in a wider context the media coverage of victims of violence. The literature found in this dissertation suggests that the way in which media report on victims of violence can either harm or help the healing process of the victims and victims’ family members. Moreover, ignoring the victims’ voices in the mass media and their personal testimony prevents the wider society from acknowledging the atrocities committed and the extent to which conflict has affected collective identity. Journalists, as story writers, bring the stories of pain and suffering to the wider society, therefore they play an important role on deconstructing the deeply damaged victims’ and their relatives’ identity. From a humane reporting perspective is argued that journalists’ and media organizations’ understanding of the psychological effects of trauma after violence can be an important and useful tool when covering violence. The content analysis of one year coverage on the extrajudicial killings in Colombia shows that institutionalized voices, for instance official viewpoints are privileged sources of information; moreover the use of journalistic structures such as writing style and news values prevent the victims and their relative’s testimonies to be heard and expose to the society. Several challenges are posed when reporting on conflict and victims of violence, therefore media organizations and media workers are encourage to critically reflect on their own practice in order to report on victims and trauma in a humane and transformative way.
Fuente: Biblioteca Virtual Banco de la República Formatos de contenido: Tesis
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Reporting on victims of violence: Media coverage of the extrajudicial killings in Colombia = Reportaje periodístico de víctimas de la violencia: Cobertura Mediática de las ejecuciones Extrajudiciales en Colombia

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Imagen de apoyo de The pedagogy of the birds – instinct + practice = La pedagogía de los pájaros – instinto + práctica

The pedagogy of the birds – instinct + practice = La pedagogía de los pájaros – instinto + práctica

Por: Jessica Rucinque Arbeláez | Fecha: 2013

The pedagogy of the birds’ is a cultural initiative, consisting of four creative collaborative actions, which seeks to develop conversations between the inhabitants of Brisas del Volador, a whole community living in extreme poverty in the south part of Bogotá, the Colombian capital, and [with] the society in which they live; with the intention of questioning and reconstructing the individual and collective identity they have lost because of the social problems they have faced, which has led them to a complete invisibility and exclusion of society. A series of events around talking, eating, walking, and unlearning are proposed as possible ways to provide the tools for the self-valorization of these people within the dynamics of the city, as political and social beings able to make real changes in the community. The whole initiative seeks to create a form of resistance to the label these people have, and empower them to potentialize their abilities, because they deserve to be seen by the rest of us and they are as precious as we all are, and they have to get aware of it.
Fuente: Biblioteca Virtual Banco de la República Formatos de contenido: Tesis
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The pedagogy of the birds – instinct + practice = La pedagogía de los pájaros – instinto + práctica

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Imagen de apoyo de Preferential tariffs and export diversification: the G3 Free Trade Agreement case

Preferential tariffs and export diversification: the G3 Free Trade Agreement case

Por: Nelson Fabián Villarreal Rincón | Fecha: 2012

Exports concentration in a reduced number of economic sectors has been always a concern for trade policy makers, mostly in developing countries. According to the economic theory and some recent empirical evidence, market access in international trade is improved through free trade agreements and preferential tariff rate programs which could affect positively export diversification. Following a similar approach used by Debaere and Mostashari (2005) and Volpe and Gómez (2007), this paper estimates the effects on Colombia’s export diversification induced by the lower tariffs offered by Mexico and the broader preference margin vis-à-vis third countries in the Mexican market derived from the G3 Free Trade Agreement (FTA). For this purpose, dynamic Probit and dynamic Poisson models are estimated using an unbalanced panel data available from 1995 –year when the G3 FTA entry into force– to 2010, the latest year available. Moreover, this paper also attempts to estimate the effects of Venezuela’s withdrawal from G3 in 2006 and the effects of the bilateral crisis between Colombia and Venezuela in the second half of 2000s. In general, results show that lower tariffs faced by Colombian products in Mexico are associated with higher export diversification but this impact is sensitive to the economic cycle and a negative impact on diversification can arise depending on the specification of the model. Also, broader preferential margins in Mexico induce higher export diversification for Colombian products. However, there exists a strong dependence of export diversification in Colombia on the initial conditions and the past of the export portfolio offered to Mexico. On the other hand, Venezuela’s withdrawal from G3 FTA in 2006 had no effect on export diversification from Colombia to Mexico meanwhile the bilateral crisis showed –in some specifications– positive effects on the export diversification to Mexico, the latter revealing a trade deviation pattern. Macroeconomic control variables –including the real exchange rate– showed to be irrelevant to the model.
Fuente: Biblioteca Virtual Banco de la República Formatos de contenido: Tesis
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Preferential tariffs and export diversification: the G3 Free Trade Agreement case

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Imagen de apoyo de The gaps in rural social protection in Colombia: a history of traps and disconnections = Las brechas en la protección social rural en Colombia: una historia de trampas y desconexiones

The gaps in rural social protection in Colombia: a history of traps and disconnections = Las brechas en la protección social rural en Colombia: una historia de trampas y desconexiones

Por: María Alejandra Botiva León | Fecha: 2011

The persistency of rural poverty along with a widened gap between urban and rural areas, darken the picture of progress in Colombia. This dissertation analyses the state of social protection in rural areas, paying attention to the different instruments available to the government in order to find out whether rural dwellers have effective protection tools against shocks. Using different diagnoses on the determinants of rural poverty, this work identifies the limited scope of the actual social protection system in addressing the many different sources of vulnerability that rural inhabitants have to face in Colombia. In addition, there is a lack of comprehensive rural development strategy to complement the operation of the social protection system in rural settings.  
Fuente: Biblioteca Virtual Banco de la República Formatos de contenido: Tesis
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The gaps in rural social protection in Colombia: a history of traps and disconnections = Las brechas en la protección social rural en Colombia: una historia de trampas y desconexiones

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Imagen de apoyo de Immunoidentification of Trypanosoma cruzi antigens using sera from chronically infected patients = Inmunoidentificación de los antígenos de Tripanosoma cruzi usando muestras de pacientes crónicamente infectados

Immunoidentification of Trypanosoma cruzi antigens using sera from chronically infected patients = Inmunoidentificación de los antígenos de Tripanosoma cruzi usando muestras de pacientes crónicamente infectados

Por: Hiliana Patricia Aristizábal Pineda | Fecha: 2015

This study analyzed immune reactivity of sera from chronic Chagasic patients living in Europe, using two available commercial ELISA kits (ORTHO® T. cruzi ELISA Test System and REM® Gold ELISA T. cruzi IgG), and in-house ELISA anti T. cruzi IgG which was optimized in this study. After carrying out ELISA for the detection of anti-T. cruzi antibodies, the most reactive sera (n=15), the least reactive sera (n=13), and negative controls (n=7) were tested to find the most reactive T. cruzi proteins using an immunoblotting assay. Four groups of proteins based on their molecular weight were identified as the predominant immunogenic antigens for chronic Chagas disease. From these groups the most reactive antigens were proteins with molecular weights of between 40 kDa and 50 kDa and also proteins with 80 kDa. These proteins can be purified by immunoproteomic analysis and also it is important to test them for cross-reaction with Leishmania spp in order to develop a more sensitive and specific diagnostic test, particularly for the chronic stage of the disease. Additionally, they can be developed for use in future vaccines. 
Fuente: Biblioteca Virtual Banco de la República Formatos de contenido: Tesis
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  • Medicina

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Immunoidentification of Trypanosoma cruzi antigens using sera from chronically infected patients = Inmunoidentificación de los antígenos de Tripanosoma cruzi usando muestras de pacientes crónicamente infectados

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Imagen de apoyo de From Threat to growth: A regional development strategy for volcanic risk management at the Galeras region, Colombia

From Threat to growth: A regional development strategy for volcanic risk management at the Galeras region, Colombia

Por: Johnny Tascón Valencia | Fecha: 2013

This thesis begins with a description of the social, political and natural phenomena related with the human settlements at the slopes of the Galeras Volcano. Subsequently, a stateof-the-art is provided in order to understand the relevance of addressing the underlying confl ict at this point in time, from a regional planning perspective. Based on this preliminary analysis, a hypothesis regarding regional development as a risk management strategy for the community at the Galeras region is provided. With reference to this hypothesis, the general approach of this Master’s thesis is outlined by, integrating concepts of participation, risk management, regional planning and urban design. The regional strategy compresses several urban and regional projects at lower scales. These provide both safety in case of volcanic eruptions, and growth opportunities for the urban communities settled on this territory. Specifically, a set of four premises will be the core of the decisions: Land has a social value higher than its economic value; Life preservation is a shared goal for all parts involved; there is a local culture that has evolved in this specific territory and needs to be preserved; and there is a constitutional and democratic framework that can provide useful tools for this specific case. From these premises, two regional conclusions are key outcomes of this thesis: A preliminary risk analysis as a proposed further step from the current Volcanic Threat Map (INGEOMINAS 1997) and a regional development strategy for the Galeras Region (Pasto, Nariño and Florida).
Fuente: Biblioteca Virtual Banco de la República Formatos de contenido: Tesis
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From Threat to growth: A regional development strategy for volcanic risk management at the Galeras region, Colombia

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Imagen de apoyo de Risk management: disclosure effects

Risk management: disclosure effects

Por: Juan Francisco; Gutiérrez Diez | Fecha: 2009

This thesis explores the effect of disclosure on risk management policies. Following recent theory on risk management, with market imperfections, risk management creates value by reducing the volatility of the cash flows. Those risk policies are conditioned by actual disclosure rules that reduce information asymmetry between managers and shareholders, providing a comprehensive view of the firm. However, disclosure gives different accounting choices, hence affecting the decision-making process of managers. The purpose of this thesis is to establish if managers adapt their actual risk policy to disclosure rules. Specifically, we discuss how managers make decisions regarding exchange rate risk in forecasted transactions. In addition, we discuss how hedging affects valuation by using an investor perspective. This is done through the analysis of the automotive industry in Sweden, Germany and France and the considerations of analysts and auditors. We found that risk management policies are affected by accounting rules and that analysts are aware of those effects but have problems to measure them. However, not enough evidence was found to prove that managers try to avoid the volatility the fair value option brings when hedging a forecasted flow.
Fuente: Biblioteca Virtual Banco de la República Formatos de contenido: Tesis
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  • Economía

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Risk management: disclosure effects

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Imagen de apoyo de South America: a distinctive model of employment relations or an extension of the mediterranean model = Sur América: un modelo de empleo único o una extensión del modelo mediterráneo

South America: a distinctive model of employment relations or an extension of the mediterranean model = Sur América: un modelo de empleo único o una extensión del modelo mediterráneo

Por: Lina Gattás Bultaif | Fecha: 2012

This paper explores if there is an independent South American employment relations’ model or it can be classified as an extension of the Mediterranean one, framed in last decades. It analyses the main features of the South American Model of employment relations and its resemblance with the Mediterranean one. It focuses on the analysis of the role of the state as a promoter of legislation, the unions’ identity and their bargaining structure, and the employers’ organisations’ role and corporate governance structure in South America. Additionally, it compares these patterns with the main features of the Mediterranean Model of employment, to conclude that both models have a close correlation regarding the employment relations systems, despite the cross national differences of size, economic performance and social-politic context. Through the classification of the South American model of employment as an extension of the Mediterranean one, this paper provides a theoretical and practical insight in the research of the employment relations.
Fuente: Biblioteca Virtual Banco de la República Formatos de contenido: Tesis
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South America: a distinctive model of employment relations or an extension of the mediterranean model = Sur América: un modelo de empleo único o una extensión del modelo mediterráneo

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Informe de la sesión de la plenaria del día 25 de junio de 1991

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