Iribarren-Maestro, I Are multi-authorship and visibility related? Study of ten research areas at Carlos III University of Madrid PROCEEDINGS OF ISSI 2007: 11TH INTL. CONF. OF THE ISSI, VOLS I AND II 401-407, 2007

[Eugene Garfield]

Email address:iiribarr at bib.uc3m.es

Author(s): Iribarren-Maestro, I (Iribarren-Maestro, Isabel); Lascurain-
Sanchez, ML (Lascurain-Sanchez, Maria Luisa); Sanz-Casado, E (Sanz-Casado, 
Elias) 

Title: Are multi-authorship and visibility related? Study of ten research 
areas at Carlos III University of Madrid 

Editor(s): TorresSalinas, D; Moed, HF 

Source: PROCEEDINGS OF ISSI 2007: 11TH INTERNATIONAL CONFERENCE OF THE 
INTERNATIONAL SOCIETY FOR SCIENTOMETRICS AND INFORMETRICS, VOLS I AND II 
401-407, 2007 

Language: English 
Document Type: Article 

Conference Title: 11th International Conference of the International-
Society-for-Scientrometrics-and-Informetrics 

Conference Date: JUN 25-27, 2007 

Conference Location: Madrid, SPAIN 

Conference Sponsors: Int Soc Scientrometr & Informetr, CSIC, Minist Educ & 
Ciencia, FECYT, Comunidad Madrid, Eugene Garfield Fdn, Thomson Sci, 
Elsevier, Journal Informetr, Scopus, Ayuntamiento Madrid, Sci Metrix, Univ 
Carlos III Madrid 

Author Keywords: visibility; collaboration; citation analysis; impact 
Factor 

KeyWords Plus: SCIENTIFIC COLLABORATION; MULTIAUTHORED PAPERS; IMPACT; 
QUALITY; SINGLE 

Abstract: Opinions in the literature on the possible relationship between 
co-authorship and number of citations vary. This paper contributes to the 
debate with a further analysis of the subject, taking account of the 
number and quality of citations found for multi- (author, institution, 
country) and single-authored papers. The study is based on the scientific 
production of ten Carlos III University of Madrid departmental areas 
between 1997 and 2003 as reflected in the ISI Web of Science, and the 
number of times the respective papers were cited between 1997 and 2004. 
Univariate multifactorial analysis of variance (ANOVA) was used to verify 
the relationship between multi-authorship and visibility. The correlation 
between multi-institutional and multi-national authorship and the quartile 
of the citing journals was analyzed with correspondence analysis. The 
results show that while multi-institutional and multi-national authorship 
raise the number of citations, co-authorship and number of citations are 
unrelated. Correspondence analysis failed to show any correlation between 
the quartile of the citing journal and multi-institutional or multi-
national authorship, but did reveal a relationship between citing journal 
quartile and departmental area. 

Addresses: Carlos III Univ Madrid, Dept Lib Sci & Documentat, Madrid, 
28903 Spain. 

Publisher Name: INT SOC SCIENTOMETRICS & INFORMETRICS-ISSI 
Publisher Address: KATHOLIEKE UNIV LEUVEN, FACULTEIT E T E W, DEKENSTRAAT 
2, LEUVEN, B-3000, BELGIUM 

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