1,721,120 research outputs found

    La valutazione e la prevenzione dei rischi stress e mobbing

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    Il contributo evidenzia le buone prassi internazionali di prevenzione del rischio psicosociale e fa il punto sulla situazione italiana

    Analisi e Prevenzione dei Rischi Psicosociali

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    Il contributo riassume le buone prassi internazionali in tema di Rischio Psicosociale

    Going Beyond Counting First Authors in Author Co-citation Analysis

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    The present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed

    Variations on the Author

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    “Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship

    Appropriate Similarity Measures for Author Cocitation Analysis

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    We provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis

    Personal perception quality of life in 68 patients with traumatic thoraco-lumbar vertebral fractures treated with circumferential arthrodesis [Valutazione soggettiva della qualità di vita in 68 pazienti trattati per fratture vertebrali traumatiche toraco-lombari con artrodesi circonferenziale]

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    Aim. In the last decade techniques in vertebral surgery have made great progress, especially in the treatment of spinal fractures. The aim of this study was to evaluate the efficacy of circumferential arthrodesis surgical technique of vertebral stabilization in accordance with the patient's point of view in terms of personal perception of one's own health condition and quality of life. Methods. The SF-36 Health Survey and the Oswestry low back pain disability questionnaire were supplied to 68 patients with spinal fracture, with or without neurological impairment, followed during a 5.5-year mean period after surgical treatment. A case-control comparative study was developed between the SF-36 health survey patient's scores and the mean SF-36 scores of a representative sample of 2000 Italian people provided together with the SF-36 questionnaire. Results. SF-36 scores in patients with neurological impairment were significantly inferior to those of the representative sample, while not neurological impaired patient's scores were not significantly different from those of the representative sample in no one of each different health concepts explored by the shortform scales. The low back pain concerned disability was severe to crippled in neurological impaired patients, and minimal to moderate in patients without neurological impairment. Conclusion. The surgical technique of vertebral stabilization with circumferential arthrodesis succeeds in bringing patients with not neurological spinal injuries back to a quality of life not significantly different from that of general sound population. Patients with neurological spinal injuries get a quality of life significantly inferior due to irreversibility of neurological damage
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