20 research outputs found

    Herramienta Autor para la Gestión de Tests Informatizados dentro del Sistema AHA!

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    En este artículo presentamos Test Editor, una herramienta autor para la construcción de test informatizados, tanto clásicos como adaptativos, a través del Web. Esta herramienta facilita el desarrollo y mantenimiento de diferentes tipos de test de tipo multi-opción o multi-respuesta, con el objetivo de poder utilizarlos dentro de sistemas educativos basados en web. Test editor es una herramienta modular que permite configurar varios parámetros sobre las preguntas o ítems y los tests. También proporciona información estadística sobre la utilización de los tests, que puede ser utilizada para el mantenimiento de los tests. Esta herramienta se ha integrado dentro del sistema AHA!, pero se puede utilizar también dentro de otros sistemas basados en web. Para probar el funcionamiento de la herramienta se ha utilizado en la creación de un test adaptativo para evaluar a dos grupos de alumnos de un mismo curso de extensión universitaria sobre programación en el lenguaje Java.In this paper we describe Test Editor, an authoring tool for building adaptive and classic webbased tests. This tool facilitates the development and maintenance of different types of multiple-choice tests for use in web-based education systems. Test Editor is a modular tool, which lets you configure several parameters about questions or items and tests. It also provides statistical information about tests usage that can be used in tests maintenance. We have integrated the Test Editor with the AHA! system, but it can be used in other web-based systems as well. In order to test the performance of the tool, we have used it to create an adaptive test to evaluate two groups of students of the same university extension course about Java language

    On the alleged simplicity of impure proof

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    Roughly, a proof of a theorem, is “pure” if it draws only on what is “close” or “intrinsic” to that theorem. Mathematicians employ a variety of terms to identify pure proofs, saying that a pure proof is one that avoids what is “extrinsic,” “extraneous,” “distant,” “remote,” “alien,” or “foreign” to the problem or theorem under investigation. In the background of these attributions is the view that there is a distance measure (or a variety of such measures) between mathematical statements and proofs. Mathematicians have paid little attention to specifying such distance measures precisely because in practice certain methods of proof have seemed self- evidently impure by design: think for instance of analytic geometry and analytic number theory. By contrast, mathematicians have paid considerable attention to whether such impurities are a good thing or to be avoided, and some have claimed that they are valuable because generally impure proofs are simpler than pure proofs. This article is an investigation of this claim, formulated more precisely by proof- theoretic means. After assembling evidence from proof theory that may be thought to support this claim, we will argue that on the contrary this evidence does not support the claim

    The Effects of Publishing Processes on Scientific Thought. Typography and Typology in Prehistoric Archaeology (1950s–1990s)

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    In the last decades, many changes have occurred in scientific publishing, including online publication, data repositories, file formats and standards. The role played by computers in this process rekindled the argument on forms of technical determinism. This paper addresses this old debate by exploring the case of publishing processes in prehistoric archaeology during the second part of the twentieth century, prior to the wide-scale adoption of computers. It investigates the case of a collective and international attempt to standardize the typological analysis of prehistoric lithic objects, coined typologie analytique by Georges Laplace and developed by a group of French, Italian, and Spanish researchers. The aim of this paper is to: 1) present a general bibliometric scenario of prehistoric archaeology publishing in continental Europe; 2) report on the little-known typologie analytique method in archaeology, using publications, archives, and interviews; 3) show how the publication of scientific production was shaped by social (editorial policies, support networks) and material (typography features and publication formats) constraints; and 4) highlight how actors founded resources to control and counterbalance these effects, namely by changing and improving publishing formats

    Pericytes in the renal vasculature roles in health and disease

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    Real-world clinical profile, RET mutation testing, treatments and patient-related outcomes for medullary thyroid cancer in Europe

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    Objective: This study aimed to describe real-world patient and physician characteristics, rearranged during transfection (RET) mutation testing and results, treatment patterns and patient-reported outcomes (PROs) in advanced or metastatic medullary thyroid cancer (aMTC) across five populous European countries. Methods: Cross-sectional physician and patient surveys were used to collect quantitative and qualitative data in France, Germany, Italy, Spain and the UK from July to December 2020, prior to the introduction of selective RET inhibitors in Europe. Physicians completed patient record forms and a survey about their specialty and practice site. Patients were asked to provide PRO data using four validated instruments, including the EuroQol 5 Dimension (EQ-5D) questionnaire. Results: The physician-reported sample included 275 patients with aMTC, including 79 patients with RET mutation-positive disease; median age was 60 and 56 years, respectively. Overall, 75% were tested for RET mutation (35% germline only, 21% somatic only and 44% both). Common physician-cited barriers to RET mutation testing included high cost, difficulty accessing the latest tests and time delay for results. First-line systemic therapy (most commonly vandetanib or cabozantinib) was prescribed for 69% of patients overall and 82% of the RET mutation-positive subgroup. Second-line therapy was prescribed for 12% of patients who received first-line therapy; most patients remained on first-line therapy at data capture. PROs revealed a substantial disease/treatment burden. Conclusion: Patients with aMTC report a substantial disease/treatment burden. Outcomes could be improved by identifying patients eligible for treatment with selective RET inhibitors through more optimal RET mutation testing

    La entrevista médico-paciente en idioma inglés en las especialidades odontológicas

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    Se realizó una investigación de desarrollo en la Facultad de Estomatología de la Universidad de Ciencias Médicas de Santiago de Cuba, durante los cursos 2012 - 2013 y 2013 - 2014, con vistas a identificar las limitaciones de estudiantes y profesionales en la realización de la entrevista médico-paciente en idioma inglés en las especialidades odontológicas. Se emplearon métodos teóricos y empíricos. Los resultados obtenidos sustentaron la elaboración de una guía didáctica con preguntas, indicaciones y orientaciones, que permite la adquisición del lenguaje específico de la profesión, con la cual se logra contribuir a la formación de la competencia comunicativa al considerar los aspectos fundamentales de esta entrevista y una mejor utilización del idioma inglés como lengua extranjer
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