1,720,999 research outputs found
Going Beyond Counting First Authors in Author Co-citation Analysis
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
Structural social capital and health in Italy
This paper presents the first empirical assessment of the causal relationship between
social capital and health in Italy. The analysis draws on the 2000 wave of the Multipurpose
Survey on Household conducted by the Italian Institute of Statistics on a representative
sample of the population (n = 46,868). Our measure of social capital is the frequency of
meetings with friends. Based on IV and bivariate probit estimates, we find that individuals
who meet friends every day or more time times a week are approximately 11–16% more
likely to report good health
Variations on the Author
“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
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
Dispelling the Myths Behind First-author Citation Counts
We 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
An exploratory analysis of the relationship between social interactions, income and health in Italy
This paper carries out a preliminary and exploratory investigation into the effect of various types of social interaction on health in Italy. After controlling for household income, education, work status and a number of socio-demographic variables, we find that the frequency of meetings with friends is significantly and positively associated with self-perceived health. The frequency of visits with relatives has a significant, but weaker effect. Membership in voluntary organizations is a significant and weakly negative predictor of good health. Other relevant explanatory variables are education and work status
Job satisfaction in Italy: individual characteristics and social relations
Purpose – The purpose of this paper is to analyze the determinants of job satisfaction in Italy with
particular emphasis on social relations.
Design/methodology/approach – This paper uses the data from the Multiscopo Survey of
Households (MSH) conducted by the Italian Central Statistical Office for the years 1993-1995-1998-2000
for empirical investigations with ordered probit and robustness tests. A statistical matching procedure
to impute missing values on household income in MSH is also performed.
Findings – The paper finds that social interactions matter. While visits to relatives are not
statistically significant, volunteer work and the frequency of meetings with friends are significantly
and positively correlated with job satisfaction, with church attendance having the biggest impact on
job satisfaction. These results seem to confirm the main assumption of the paper: social relations
are helpful in gaining more and in improving career prospects. The findings also show that meetings
with friends increase job satisfaction through self-perceived health, suggesting a “buffering effect” of
the networks of friends. In addition, results for Italy confirm findings gathered from job satisfaction
studies with some novel evidence.
Originality/value – The role of social relations in job satisfaction has received no attention.
The paper contributes to the literature by carrying out the first empirical analysis on the relationship
between social relations and job satisfaction. Overall, the value-added of the study is twofold. First, it
adds a new piece of evidence to the existing literature on job satisfaction, i.e. the effects of social
relations. To the best of the knowledge, there are no studies which consider social interactions
as determinants of job satisfaction. Second, it extends the country evidence on the determinants of
job satisfaction
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