1,720,975 research outputs found

    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

    Application of Hazard Analysis Critical Control Points to control surgical site infections in hip and knee arthroplasty

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    This study examined critical points linked to the increase of surgical site infections in patients undergoing joint replacement. With this type of infection, it is not always possible to detect specific causes, and it often is necessary to perform a systematic review of assistance processes. Using Hazard Analysis Critical Control Points methodology, 4 stages of patients' pathway were identified: preoperative assessment, surgical procedure, postoperative assistance, and discharge. Surgical site infection risk factors were identified for each stage and categorized as patient conditions, staff and procedures, equipment, and environment

    Factors influencing student nurses' perception of their clinical guides: a questionnaire survey

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    Supporting student nurses whilst undertaking clinical training is an important activity for both educators and students, yet there is little consensus in the literature as to what constitutes support. Also, it is difficult to find a robust instrument that provides a valid measure of the quality of the clinical learning environment in different contexts. The aim of this study was to identify factors that influence student nurses' perception of their clinical tutors. A two-part questionnaire was administered to students of a Nursing School in a large city in northern Italy; 143 students participated in the study. In replying to the questions, student nurses were asked to refer to their last one-month training period of the year 2004. Analysis of study results showed that students' perceived satisfaction with their clinical guide was greater in cases where tutors used the critical thinking method. A one-to-one relation between tutor and student was not found to be essential in assuring a satisfactory clinical experience for nursing students
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