1,720,988 research outputs found
Resilience and psychological impact on Italian university students during Covid-19 pandemic. Distance learning and health.
No full textCOVID-19 epidemic has been spreading in the world causing strong
psychological pressure for the global population. Quarantine has
huge impact and can cause considerable psychological stress. The
study aims to identify psychological stress, emotional changes,
approach to studies, resilience skills related to the experience of the
COVID-19 pandemic in a sample of university students. A sample of
university students from the Campus Bio Medico University of Rome
was studied. The participants responded to an online questionnaire
packet that included socio-demographic information, COVID-19
impact on emotions and on university life, perceived stress (PSS-10)
and resilience skills (RS-14). We received 955 responses. The respondents
experienced an increase in perceived stress in 89.4% of cases
(66% stress moderate and 23.4% high). Moreover, 54.4% of students
reported decrease in attention span and difficulty in studying with
consequent concern about the exam outcomes (55%). Resilience
skills positively affect stressful events and in particular the COVID-
19 impact on study and interpersonal relationships. The study shows
a psychological impact of the Covid-19 emergency on college students.
Stress significantly decreases learning and negatively affects
psychological well-being of students. Resilience skills were a protective
factor to overcome difficulties learning
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
Variations 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
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
Psychopathological profile of medication overuse headache patients, drug assumption and degree of disability
No full textIs cognitive function linked to serum free copper levels? A cohort study in a normal population
No full textObjective: Much research on copper-dependent neurodegeneration has focused on the study of total copper levels in the organism. However, recent evidence suggests that the portion of copper that does not bind to ceruloplasmin and is loosely transported by micronutrients (free copper) may play a more significant role than copper as a whole. In this paper, we measured markers of copper metabolism in the sera of a group of cognitively normal women to test whether abnormal amounts of free copper have detectable effects on the mental state of clinically normal people. Methods: We measured serum levels of free and ceruloplasmin-bound copper in 64 women whose normal mental state had been assessed via a battery of neuropsychological tests representing the major cognitive domains. Results: Results show a significant inverse correlation of the serum levels of free copper with both Mini-Mental State Examination (MMSE) and attention-related neuropsychological tests scores. Bound copper, instead, did not correlate with either MMSE scores or any cognitive domain. Conclusions: Free copper appears to be a player in cognitive decline. Significance: This evidence suggests the need for a shift of focus from total to free copper levels in the study of mental decline and sustains the notion that free copper may be a risk factor in the development of impaired cognition. (C) 2010 Published by Elsevier Ireland Ltd. on behalf of International Federation of Clinical Neurophysiology
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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