919 resultados para On-line evaluation


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Portrayals of women in advertisements have a significant impact on the maintenance of gender stereotypes in society. Therefore, the present research investigates the effectiveness of communal and agentic female characters in advertisements as well as the question how evaluations of such characters are influenced by perceivers' sexist attitudes toward women. Results show that communal female advertising characters are evaluated more favorably than agentic ones and that these evaluations predict advertising effectiveness. Benevolent sexism predicts more positive evaluations of communal female advertising characters (studies 1 and 2). Moreover, hostile sexism predicts less positive evaluations of agentic female advertising characters when it is assessed under time pressure (Study 2). Implications of these findings for the perpetuation of gender stereotypes in advertisements and in society are discussed.

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The evaluation for European Union market approval of coronary stents falls under the Medical Device Directive that was adopted in 1993. Specific requirements for the assessment of coronary stents are laid out in supplementary advisory documents. In response to a call by the European Commission to make recommendations for a revision of the advisory document on the evaluation of coronary stents (Appendix 1 of MEDDEV 2.7.1), the European Society of Cardiology (ESC) and the European Association of Percutaneous Cardiovascular Interventions (EAPCI) established a Task Force to develop an expert advisory report. As basis for its report, the ESC-EAPCI Task Force reviewed existing processes, established a comprehensive list of all coronary drug-eluting stents that have received a CE mark to date, and undertook a systematic review of the literature of all published randomized clinical trials evaluating clinical and angiographic outcomes of coronary artery stents between 2002 and 2013. Based on these data, the TF provided recommendations to inform a new regulatory process for coronary stents. The main recommendations of the task force include implementation of a standardized non-clinical assessment of stents and a novel clinical evaluation pathway for market approval. The two-stage clinical evaluation plan includes recommendation for an initial pre-market trial with objective performance criteria (OPC) benchmarking using invasive imaging follow-up leading to conditional CE-mark approval and a subsequent mandatory, large-scale randomized trial with clinical endpoint evaluation leading to unconditional CE-mark. The data analysis from the systematic review of the Task Force may provide a basis for determination of OPC for use in future studies. This paper represents an executive summary of the Task Force's report.

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BACKGROUND: HIV surveillance requires monitoring of new HIV diagnoses and differentiation of incident and older infections. In 2008, Switzerland implemented a system for monitoring incident HIV infections based on the results of a line immunoassay (Inno-Lia) mandatorily conducted for HIV confirmation and type differentiation (HIV-1, HIV-2) of all newly diagnosed patients. Based on this system, we assessed the proportion of incident HIV infection among newly diagnosed cases in Switzerland during 2008-2013. METHODS AND RESULTS: Inno-Lia antibody reaction patterns recorded in anonymous HIV notifications to the federal health authority were classified by 10 published algorithms into incident (up to 12 months) or older infections. Utilizing these data, annual incident infection estimates were obtained in two ways, (i) based on the diagnostic performance of the algorithms and utilizing the relationship 'incident = true incident + false incident', (ii) based on the window-periods of the algorithms and utilizing the relationship 'Prevalence = Incidence x Duration'. From 2008-2013, 3'851 HIV notifications were received. Adult HIV-1 infections amounted to 3'809 cases, and 3'636 of them (95.5%) contained Inno-Lia data. Incident infection totals calculated were similar for the performance- and window-based methods, amounting on average to 1'755 (95% confidence interval, 1588-1923) and 1'790 cases (95% CI, 1679-1900), respectively. More than half of these were among men who had sex with men. Both methods showed a continuous decline of annual incident infections 2008-2013, totaling -59.5% and -50.2%, respectively. The decline of incident infections continued even in 2012, when a 15% increase in HIV notifications had been observed. This increase was entirely due to older infections. Overall declines 2008-2013 were of similar extent among the major transmission groups. CONCLUSIONS: Inno-Lia based incident HIV-1 infection surveillance proved useful and reliable. It represents a free, additional public health benefit of the use of this relatively costly test for HIV confirmation and type differentiation.

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Pharmacokinetic and pharmacodynamic properties of a chiral drug can significantly differ between application of the racemate and single enantiomers. During drug development, the characteristics of candidate compounds have to be assessed prior to clinical testing. Since biotransformation significantly influences drug actions in an organism, metabolism studies represent a crucial part of such tests. Hence, an optimized and economical capillary electrophoretic method for on-line studies of the enantioselective drug metabolism mediated by cytochrome P450 enzymes was developed. It comprises a diffusion-based procedure, which enables mixing of the enzyme with virtually any compound inside the nanoliter-scale capillary reactor and without the need of additional optimization of mixing conditions. For CYP3A4, ketamine as probe substrate and highly sulfated γ-cyclodextrin as chiral selector, improved separation conditions for ketamine and norketamine enantiomers compared to a previously published electrophoretically mediated microanalysis method were elucidated. The new approach was thoroughly validated for the CYP3A4-mediated N-demethylation pathway of ketamine and applied to the determination of its kinetic parameters and the inhibition characteristics in presence of ketoconazole and dexmedetomidine. The determined parameters were found to be comparable to literature data obtained with different techniques. The presented method constitutes a miniaturized and cost-effective tool, which should be suitable for the assessment of the stereoselective aspects of kinetic and inhibition studies of cytochrome P450-mediated metabolic steps within early stages of the development of a new drug.

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Development of distance and distributed learning continuing education (CE) opportunities for human services workers requires existence of such CE offerings, participant access to the Internet, knowledge of the Internet's use, and willingness to enroll in such programs. A survey of human services professionals who attended the Family Preservation Annual Conferences in 2000 (N = 230) and 2002 (N - 197) revealed that 92% (n = 206) of 2000 survey participants and 98% (192) of 2002 survey participants have used the Internet, while 76% of 2000 and 56% of 2002 respondents reported no formal training in the use of the Internet and its features. Findings are reported that reveal substantial interest among subjects in the Internet as a medium for continuing education programs for professional development.

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Fil: Castro, N. M.. Universidad Nacional de Cuyo. Facultad de Odontología

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En este trabajo se comentará la experiencia, de dirigir una TESINA, por medio de la Red. Guiar al alumno en un trabajo de investigación que será su trabajo final para optar al grado universitario de Licenciatura en Bibliotecología, cuyo contacto con el docente fue únicamente "a distancia", durante el tiempo que demandó la realización de la investigación, siendo la defensa del trabajo, el único momento de relación interpersonal. Asumiendo la responsabilidad como si fuera en forma presencial, se llevaron a cabo las diferentes instancias de guía y evaluación, la diferencia está en algunos métodos y recursos utilizados, en la consulta propiamente dicha, que el dominio de la Red otorga mediante la aplicación del Portafolio. Esto dará cuenta al docente del desarrollo cognitivo del estudiante, compartido por el alumno. Con la aplicación del Portafolio electrónico, la evaluación debe ser un proceso continuo con permanente retroalimentación.

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El artículo está destinado a subrayar el proyecto ARISTARCUS, un conjunto de herramientas de trabajo para la investigación y la enseñanza en temas del área de mundo antiguo Griego y Latino y está disponible en el sitio web www.aristarchus.unige.it. Ha sido llevado a cabo por el grupo de investigación del Dipartimento di Archeologia e Filologia Classica (DARFICLET) de la Universidad de Génova, dirigido por el Profesor Franco Montanari. El sitio web incluye cinco ítems: 1) LGGA - Léxico de los Gramáticos Griegos Antiguos; 2) PAWAG - Palabras escasamente atestadas en Griego Antiguo; 3) CPhCl - Catalogus Philologorum Classicorum; 4) CIAPh - Centro Italiano de l'Année Philologique; 5) Mediaclassica, un conjunto de herramientas para la enseñanza de Griego y Latín.

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El artículo está destinado a subrayar el proyecto ARISTARCUS, un conjunto de herramientas de trabajo para la investigación y la enseñanza en temas del área de mundo antiguo Griego y Latino y está disponible en el sitio web www.aristarchus.unige.it. Ha sido llevado a cabo por el grupo de investigación del Dipartimento di Archeologia e Filologia Classica (DARFICLET) de la Universidad de Génova, dirigido por el Profesor Franco Montanari. El sitio web incluye cinco ítems: 1) LGGA - Léxico de los Gramáticos Griegos Antiguos; 2) PAWAG - Palabras escasamente atestadas en Griego Antiguo; 3) CPhCl - Catalogus Philologorum Classicorum; 4) CIAPh - Centro Italiano de l'Année Philologique; 5) Mediaclassica, un conjunto de herramientas para la enseñanza de Griego y Latín.