25 research outputs found

    Propuesta didáctica basada en pensamiento computacional para la mejora de la resolución de problemas en primaria

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    INTRODUCCIÓ. Els canvis en la nova Llei orgànica d’educació LOMLOE han donat pas a un reconeixement del pensament computacional en la legislació educativa en les ensenyances no universitàries atenent reivindicacions de la Comissió Europea que posava de manifest els seus efectes positius sobre els processos cognitius en la resolució de problemes. MÈTODE. Es presenta una proposta didàctica per a l’assignatura de matemàtiques i alumnat de tercer de primària amb l’objectiu de mostrar que el pensament computacional pot ser una eina fonamental per a la millora de la resolució de problemes aritmètics. RESULTATS. S’han dissenyat una sèrie d’activitats desvinculades d’entorns tecnològics amb les quals treballar la comprensió dels enunciats, l’organització i l’anàlisi de dades. A més, es presenta una bateria de problemes amb la qual mesurar el nivell de partida de l’alumnat i avaluar si les estratègies de pensament computacional milloren la resolució de problemes. DISCUSSIÓ. L’aplicació del pensament computacional permet treballar i millorar competències i habilitats relacionades amb la resolució de problemes que poden resultar clau en tot el currículum per estar estretament relacionat amb la comprensió de qualsevol enunciat, la indagació, la generació d’hipòtesis i l’avaluació dels resultats obtinguts.INTRODUCTION. The changes brought in by the new legislation on education in Spain have acknowledged the importance of computational thinking in non-university education. These changes are a response to the European Commission’s recognition of the positive effects of computational thinking on cognitive processes in problem-solving. METHOD. A proposal for teaching mathematics to third-year primary school pupils is presented. The objective is to show that computational thinking can be a fundamental tool for improving the resolution of arithmetic problems. RESULTS. A series of non-technological activities have been designed in order to develop the skills of understanding statements, organization, and data analysis. In addition, a battery of problems is presented to assess the initial level of students and to establish whether computational thinking strategies improve problem-solving. DISCUSSION. The application of computational thinking allows the development and improvement of problem-solving skills and abilities that will be vital throughout the curriculum. Examples are the understanding of statements, inquiry, the generation of hypotheses and the evaluation of the results obtained.INTRODUCCIÓN. Los cambios en la nueva Ley Orgánica de Educación LOMLOE han dado paso a un reconocimiento del pensamiento computacional en la legislación educativa en las enseñanzas no universitarias, atendiendo reivindicaciones de la Comisión Europea que ponía de manifiesto sus efectos positivos sobre los procesos cognitivos en la resolución de problemas. MÉTODO. Se presenta una propuesta didáctica para la asignatura de matemáticas y alumnado de tercero de primaria donde el objetivo es mostrar que el pensamiento computacional puede ser una herramienta fundamental para la mejora de la resolución de problemas aritméticos. RESULTADOS. Se ha diseñado una serie de actividades desvinculadas de entornos tecnológicos con las cuales trabajar la comprensión de los enunciados, la organización y el análisis de datos. Además, se presenta una batería de problemas con la cual mesurar el nivel de partida del alumnado y evaluar si las estrategias de pensamiento computacional mejoran la resolución de problemas. DISCUSIÓN. La aplicación del pensamiento computacional permite trabajar y mejorar competencias y habilidades relacionadas con la resolución de problemas que pueden resultar clave en todo el currículum por estar estrechamente relacionado con la comprensión de cualquier enunciado, la indagación, la generación de hipótesis y la evaluación de los resultados obtenidos

    La sensibilisation et le communication pour le changement social (C4SC).

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    Renforcer les capacités des autorités locales et régionales et des organisations de la société civile de la région orientale du royaume du Maroc, à mener conjointement et efficacement des activités de sensibilisation et d’information sur l’immigration irrégulière, sur les options pour une migration sûre vers l'Europe. Reforzar las capacidades de las autoridades locales, regionales y de las organizaciones de la sociedad civil de la región oriental del Reino Unido de Marruecos, a la par que la eficacia de las actividades de sensibilización e información sobre la inmigración irregular, sobre las opciones para una migración segura hacia EuropaAsylum, Migration and Integration Fund (EU

    Prevalence, associated factors and outcomes of pressure injuries in adult intensive care unit patients: the DecubICUs study

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    Funder: European Society of Intensive Care Medicine; doi: http://dx.doi.org/10.13039/501100013347Funder: Flemish Society for Critical Care NursesAbstract: Purpose: Intensive care unit (ICU) patients are particularly susceptible to developing pressure injuries. Epidemiologic data is however unavailable. We aimed to provide an international picture of the extent of pressure injuries and factors associated with ICU-acquired pressure injuries in adult ICU patients. Methods: International 1-day point-prevalence study; follow-up for outcome assessment until hospital discharge (maximum 12 weeks). Factors associated with ICU-acquired pressure injury and hospital mortality were assessed by generalised linear mixed-effects regression analysis. Results: Data from 13,254 patients in 1117 ICUs (90 countries) revealed 6747 pressure injuries; 3997 (59.2%) were ICU-acquired. Overall prevalence was 26.6% (95% confidence interval [CI] 25.9–27.3). ICU-acquired prevalence was 16.2% (95% CI 15.6–16.8). Sacrum (37%) and heels (19.5%) were most affected. Factors independently associated with ICU-acquired pressure injuries were older age, male sex, being underweight, emergency surgery, higher Simplified Acute Physiology Score II, Braden score 3 days, comorbidities (chronic obstructive pulmonary disease, immunodeficiency), organ support (renal replacement, mechanical ventilation on ICU admission), and being in a low or lower-middle income-economy. Gradually increasing associations with mortality were identified for increasing severity of pressure injury: stage I (odds ratio [OR] 1.5; 95% CI 1.2–1.8), stage II (OR 1.6; 95% CI 1.4–1.9), and stage III or worse (OR 2.8; 95% CI 2.3–3.3). Conclusion: Pressure injuries are common in adult ICU patients. ICU-acquired pressure injuries are associated with mainly intrinsic factors and mortality. Optimal care standards, increased awareness, appropriate resource allocation, and further research into optimal prevention are pivotal to tackle this important patient safety threat

    Sci. hortic.

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    Over decades, the concept of grape quality has evolved emphasizing its multidisciplinary nature and that the same "desired quality" might correspond to even strikingly different compositional patterns. The review takes a long journey throughout the multiple factors impinging on grape quality, not excluding also sections devoted to table grapes. It starts with a through survey on the genetic factors influencing grape quality focusing on diversity in different compositional traits (sugar, organic acid, pH, phenolics and aromas) relating to cultivars and clones. Then, most recent knowledge about the effects of soil characteristics, nutrients, light, temperature and water availability, as standalone factors or in interaction, on grape quality are summarized. The more applied section of the review introduces the very much debated yield-quality relationship that, over years, is being interpreted with more flexibility and with greater consensus for an "optimal yield range" that within a given context can anyway reach the desired quality. The impact of the main summer pruning operations (leaf removal, shoot and cluster thinning, shoot trimming) is reviewed and special care taken to highlight most recent contributions with adjusted summer pruning developed to either adapt to climate change issues or to induce specific composition patterns. Review ends with a quick survey on methods nowadays available for fast, non-destructive grape composition assessment

    Gaia Data Release 3: A Golden Sample of Astrophysical Parameters

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    International audienceGaia Data Release 3 (DR3) provides a wealth of new data products for the astronomical community to exploit, including astrophysical parameters for a half billion stars. In this work we demonstrate the high quality of these data products and illustrate their use in different astrophysical contexts. We query the astrophysical parameter tables along with other tables in Gaia DR3 to derive the samples of the stars of interest. We validate our results by using the Gaia catalogue itself and by comparison with external data. We have produced six homogeneous samples of stars with high quality astrophysical parameters across the HR diagram for the community to exploit. We first focus on three samples that span a large parameter space: young massive disk stars (~3M), FGKM spectral type stars (~3M), and UCDs (~20K). We provide these sources along with additional information (either a flag or complementary parameters) as tables that are made available in the Gaia archive. We furthermore identify 15740 bone fide carbon stars, 5863 solar-analogues, and provide the first homogeneous set of stellar parameters of the Spectro Photometric Standard Stars. We use a subset of the OBA sample to illustrate its usefulness to analyse the Milky Way rotation curve. We then use the properties of the FGKM stars to analyse known exoplanet systems. We also analyse the ages of some unseen UCD-companions to the FGKM stars. We additionally predict the colours of the Sun in various passbands (Gaia, 2MASS, WISE) using the solar-analogue sample

    Gaia Data Release 3: Chemical cartography of the Milky Way

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    Astronomy and Astrophysics (accepted, in press)Gaia DR3 opens a new era of all-sky spectral analysis of stellar populations thanks to the nearly 5.6 million stars observed by the RVS and parametrised by the GSP-spec module. The all-sky Gaia chemical cartography allows a powerful and precise chemo-dynamical view of the Milky Way with unprecedented spatial coverage and statistical robustness. First, it reveals the strong vertical symmetry of the Galaxy and the flared structure of the disc. Second, the observed kinematic disturbances of the disc -- seen as phase space correlations -- and kinematic or orbital substructures are associated with chemical patterns that favour stars with enhanced metallicities and lower [alpha/Fe] abundance ratios compared to the median values in the radial distributions. This is detected both for young objects that trace the spiral arms and older populations. Several alpha, iron-peak elements and at least one heavy element trace the thin and thick disc properties in the solar cylinder. Third, young disc stars show a recent chemical impoverishment in several elements. Fourth, the largest chemo-dynamical sample of open clusters analysed so far shows a steepening of the radial metallicity gradient with age, which is also observed in the young field population. Finally, the Gaia chemical data have the required coverage and precision to unveil galaxy accretion debris and heated disc stars on halo orbits through their [alpha/Fe] ratio, and to allow the study of the chemo-dynamical properties of globular clusters. Gaia DR3 chemo-dynamical diagnostics open new horizons before the era of ground-based wide-field spectroscopic surveys. They unveil a complex Milky Way that is the outcome of an eventful evolution, shaping it to the present day (abridged)
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