979 resultados para articles
Resumo:
We examined drivers of article citations using 776 articles that were published from 1990-2012 in a broad-based and high-impact social sciences journal, The Leadership Quarterly. These articles had 1,191 unique authors having published and received in total (at the time of their most recent article published in our dataset) 16,817 articles and 284,777 citations, respectively. Our models explained 66.6% of the variance in citations and showed that quantitative, review, method, and theory articles were significantly more cited than were qualitative articles or agent-based simulations. As concerns quantitative articles, which constituted the majority of the sample, our model explained 80.3% of the variance in citations; some methods (e.g., use of SEM) and designs (e.g., meta-analysis), as well as theoretical approaches (e.g., use of transformational, charismatic, or visionary type-leadership theories) predicted higher article citations. Regarding the statistical conclusion validity of quantitative articles, articles having endogeneity threats received significantly fewer citations than did those using a more robust design or an estimation procedure that ensured correct causal estimation. We make several general recommendations on how to improve research practice and article citations.
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L'article scientifique est un genre universitaire qui n'est pas sans enjeu de conviction. L'incipit en particulier doit d'une part s'inscrire dans un savoir préexistant, présenter son objet, qui est apte à transformer ce savoir, et susciter la confiance du lecteur, que ce soit par les connaissances mobilisées ou par la manière de les présenter. Cet article, une étude de 40 incipits d'articles scientifiques en sciences humaines et sociales, vise à faire un inventaire des stratégies employées dans ce lieu crucial de prise de contact.
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[Acte. 1645-01-00]
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[Traité. 1713-04-11. Utrecht. France-Savoiefrançais)]
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In this article, we present the current state of our work on a linguistically-motivated model for automatic summarization of medical articles in Spanish. The model takes into account the results of an empirical study which reveals that, on the one hand, domain-specific summarization criteria can often be derived from the summaries of domain specialists, and, on the other hand, adequate summarization strategies must be multidimensional, i.e., cover various types of linguistic clues. We take into account the textual, lexical, discursive, syntactic and communicative dimensions. This is novel in the field of summarization. The experiments carried out so far indicate that our model is suitable to provide high quality summarizations.