1,720,994 research outputs found
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe 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
Il Burden del caregiver informale di persone con schizofrenia : Creazione e validazione della Italian Modified Perceived Family Burden Scale (I-MPFBS) = Burden on caregivers of people with schizophrenia: creation and validation of Italian Modified Perceived Family Burden Scale (I-MPFBS)
No full textBackground Schizophrenia is a serious psychiatric disorder that affects both the patients and their informal caregivers. The resulting psychological discomfort or burden could have serious repercussions on the carer, and consequently on the patient. The Perceived Family Burden Scale (PFBS) is a valid and reliable tool aimed at preventing disease relapse, but it has never been used to investigate the overall burden level in a population of informal caregivers of schizophrenic persons. The study aims to investigate burden levels in a sample of informal caregivers of schizophrenic patients by creating and validating the Italian Modified Perceived Family Burden Scale (I-MPFBS).
Methods PFBS was translated and modified; the tool was administered to a sample of informal caregivers accessing to Psychosocial centres of Mental Health Department at Santi Paolo e Carlo hospital, Milan.
Results The I-MPFBS has a high content and face validity (CVI-S=0.95) and good internal consistency (Cronbach’s alpha=0.78). The 62 informal caregivers had an overall median burden score of 118/200 (IQR: 99;135). The objective burden median score was 35/100 (IQR: 24; 46). The subjective burden median score was 81/100 (IQR: 72; 88).
Conclusions The I-MPFBS is a valid, reliable, quick, and easy-to-use tool that supports nursing assessment of the informal caregiver and of the patient
Wine strain improvement strategies to enhance red wine safety based on parietal adsorption activity. 2. Yeast selection from Campania and Calabria.
No full textVariations on the Author
Full text link“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
Screening for yeasts able to hydrolyse arbutin in the presence of glucose or ethanol
No full textThe study was carried out using 212 glucose-fermenting yeasts isolated from Calabrian and Sicilian samples of must and wine. They were screened for beta-glucosidase activity in Petri plates containing arbutin agar medium. Eleven strains (three apiculate yeasts and eight elliptic yeasts) were able to perform arbutin hydrolysis, but only strain C5, identified as Pichia anomala, maintained the ability to hydrolyse arbutin even in the presence of remarkable amounts of glucose or ethanol. This strain did not show the capacity to excrete the beta-glucosidase into the medium; effectively, the enzymatic activity in the culture supernatant was near to zero. However, its intracellular activity was high
Appropriate Similarity Measures for Author Cocitation Analysis
Full text linkWe 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
Dispelling the Myths Behind First-author Citation Counts
Full text linkWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
koamabayili/VECTRON-author-checklist: VECTRON author checklist
No full textWe have done our best to complete the author checklist relating to the use of animals in the hut study. Note that the objective for the hut study was to evaluate the IRS treatment applications for residual efficacy against Anopheles mosquitoes, including the local An. coluzzii mosquito population. Cows were only used to attract mosquitoes into the huts and no tests were carried out directly on the cows. The author checklist is intended for use with studies where experiments are carried out on animals, which is why we have had such difficulty in completing this for the hut study, as many of the questions do not relate to how the cows were used
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