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dc.contributor.authorPapatheodorou, S. I.en
dc.contributor.authorTrikalinos, T. A.en
dc.contributor.authorIoannidis, J. P.en
dc.date.accessioned2015-11-24T19:10:08Z-
dc.date.available2015-11-24T19:10:08Z-
dc.identifier.issn0895-4356-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/20794-
dc.rightsDefault Licence-
dc.subject*Authorshipen
dc.subjectBibliometricsen
dc.subjectBiomedical Research/*trendsen
dc.subjectHumansen
dc.subjectMedical Records/statistics & numerical dataen
dc.subjectPeriodicals as Topic/statistics & numerical data/trendsen
dc.subjectPublishing/statistics & numerical data/trendsen
dc.subjectRandomized Controlled Trials as Topic/statistics & numerical data/trendsen
dc.titleInflated numbers of authors over time have not been just due to increasing research complexityen
heal.typejournalArticle-
heal.type.enJournal articleen
heal.type.elΆρθρο Περιοδικούel
heal.identifier.primary10.1016/j.jclinepi.2007.07.017-
heal.identifier.secondaryhttp://www.ncbi.nlm.nih.gov/pubmed/18471658-
heal.identifier.secondaryhttp://ac.els-cdn.com/S0895435607002909/1-s2.0-S0895435607002909-main.pdf?_tid=3111eb1fc621269bf58a2434e9d52fcf&acdnat=1333363818_646b5fd38a5dcc2be7abea3f77f62360-
heal.languageen-
heal.accesscampus-
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών Υγείας. Τμήμα Ιατρικήςel
heal.publicationDate2008-
heal.abstractOBJECTIVE: To examine trends in and determinants of the number of authors in clinical studies. STUDY DESIGN AND SETTING: We analyzed determinants of the number of authors in 633 articles of randomized trials and 313 articles of nonrandomized studies included in large meta-analyses (seven and six topics, respectively). Analyses were adjusted for topic. We also evaluated 310 randomly sampled case reports that had an abstract and described a single case. RESULTS: After adjusting for topic and other determinants, for both randomized trials and nonrandomized studies, the number of authors increased by 0.8 per decade (P<0.001). Topic was a strong determinant of the number of authors; other independent factors included journal impact factor, multinational authorship, and (for randomized trials) article length and sample size. Trials from South Europe (+1.1 authors) and North America (+0.9) and nonrandomized studies from South Europe (+1.8) had more authors than studies from North Europe (P<0.001). For case reports, only geographic location and article length were significantly related with author numbers. CONCLUSION: The number of authors in articles of randomized and nonrandomized studies has increased over time, even after adjusting for the topic, size, and visibility of a study. The academic coinage of authorship may be suffering from inflation.en
heal.journalNameJ Clin Epidemiolen
heal.journalTypepeer-reviewed-
heal.fullTextAvailabilityTRUE-
Appears in Collections:Άρθρα σε επιστημονικά περιοδικά ( Ανοικτά) - ΙΑΤ

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