63 research outputs found

    Influence of adaptability of Serious Games on learning outcomes and the application of knowledge and skills in professional training

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    Serious Games have been used in professional training to increase employee engagement and improve the results of training initiatives in this context. This work intends to investigate the influence of game elements, in adaptable Serious Games, according to the users\u27 interactions, in the increase of engagement in the game itself and, as the main objective, in the learning outcomes and the transfer of the acquired knowledge and practised skills to activities in the daily work. Using the Design Science Research methodology, this study is intended to develop a framework for the development and evaluation of Serious Games to improve the user experience, the learning outcomes, the transfer of knowledge to work situations, and the application of skills practised in the game in real professional scenarios

    The effect of climatic simulations on DNA persistence on glass, cotton and polyester

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    © 2019 Elsevier B.V. It is important to understand the variables impacting DNA persistence when considering the recovery, and evaluative interpretation, of DNA evidence from crime scenes. Whilst it is known that temperature, humidity and UV affect DNA persistence, little research has been conducted to explore these effects in a combined and controlled manner. This study includes two experiments in which a climate chamber was used to simulate climatic conditions over a repeating 24-h period. Aliquots of ∼50 ng DNA were added to each substrate and DNA recovered at 0, 1, 3 and 7 days after deposition. Samples were run in triplicate, extracted and quantified. The first experiment investigated the effect of typical Southern English winter and summer days on DNA persistence on glass and cotton, with DNA being recovered by wet and dry swabs from glass and mini-tapes from cotton. The second experiment investigated the effect of typical Northern Italian winter and summer days on DNA persistence on cotton and polyester, with DNA being recovered by wet and moist swabs from both fabrics. Quantities of DNA on all substrates significantly declined over 7 days under summer conditions (p < 0.05), and more DNA tended to persist on the fabric substrates in both studies under conditions of winter than summer. These results contribute to our understanding of DNA persistence under different climatic conditions and will help inform investigators’ DNA recovery strategies

    Psychological difficulties of LVAD patients and caregivers: A follow up over 1 year from discharge

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    Background: After the rehabilitation program, patients with left ventricular assist device (LVAD) are discharged home, but the adaption to the daily life with the implant is challenging, both with practical and psychological consequences. Literature is lacking detailed information about the quality of life of LVAD patients and caregivers after discharge to home. Objective: This study aimed at evaluating the post-discharge outcomes of both LVAD patients and their caregivers in terms of quality of life, affectivity, and psychological health. Methods: In this observational follow-up study, LVAD dyads discharged home from 1\ua0year to 6\ua0years were re-contacted by phone and received by mail an envelope with self-report questionnaires. Responses of 39 complete dyads of patients (mean age 68.59\ua0\ub1\ua04.31; males: 92.31%) and their caregivers (mean age 61.59\ua0\ub1\ua011.64; males: 17.95%) were analyzed. Results: Patients and caregivers reported the moderate levels of anxiety, depression, and caregiver strain, and Illness denial and conscious avoidance were associated between them. The couples often reported that the LVAD has impairments for their sleep and for their affective\u2013sexual relationship. Caregivers often reported impairment in social life and self-care. Discussions: Despite the satisfaction for the medical and territorial assistance, patients showed psychological difficulties such as anxious and depressive symptoms and caregivers tend to neglect themselves. Even after a long time from discharge to home, the psychological distress of LVAD patients and caregivers is still considerable. Structured and continuous psychological interventions are required to support their psychological health overtime after the discharge to home

    Filtres à base de résonateurs chargés par des stubs en court-circuit : Formulation et synthèse dans un milieu homogène

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    International audienceFiltres à base de résonateurs chargés par des stubs en court-circui

    Nouvelle technique de suppression des remontées parasites hors bande pour les filtres passe-bande à rubans couplés

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    International audienceNouvelle technique de suppression des remontées parasites hors bande pour les filtres passe-bande à rubans couplé

    Filtres à base de résonateurs chargés par des stubs en court-circuit : Formulation et synthèse dans un milieu homogène

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    International audienceFiltres à base de résonateurs chargés par des stubs en court-circui
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