Scientific collaboration is present in all fields of knowledge. Current advances in the means of communication facilitate and encourage collaboration among researchers who overcome geographic or language barriers, leading to an increase in the number of publications.
The kinds of collaboration that can happen are really diverse. Katz and Martin (1997) point that collaboration can happen between individuals, groups, departments, institutions, sectors, regions or countries. In collaboration relations links are created between authors, groups and organizations because they share common aims and objectives to carry on a research (Mattesich, Murray-Close & Monsey, 2001).
An aspect on which is necessary to put attention is which factors influence so that there is collaboration in the academic and scientific field. Some authors states that among these factors are (Perianes, Olmeda & Moya-Anegon, 2010): environmental, related to geographic location and social context of the researcher; the ones related to communication, that is those related to the broadcasting means that collaborators use to receive and transmit information. Also, there are other factors associated with economic, human and infrastructure resources.
The concept of collaboration is accepted from long ago in science where it is common to realize multidisciplinary researches or with the participation of multiple institutions or countries. However, in social science, there are still fields or areas in which individual research prevails, in others collaboration is making its way sometimes which a rapid advance and others slowly.
It is a fact that scientific journals are a natural mean to scientific diffusions, because of that, they are a valuable source of information which allows showing trends and patterns of scientific communication from diverse focus: production by geographic sectors (Haddow & Genoni, 2009), gender (Hakanson, 2005) or by sets of journals from specific fields (Yang & Lee, 2012; Maz-Machado, Jimenez-Fanjul & Adamuz-Povedano, 2014).
Bibliometry studies and analyses behaviors and patterns that appear in scientific journals and the bibliometric indicators which allow analyzing and quantifying the influence of diverse aspects related to cooperation like productivity or scientific impact (Bordons, Gonzalez & Diaz, 2013). To quantify collaboration several indicators have been made, between them highlight due to its frequent use the collaborative index (CI) (Lawani, 1980), the degree of collaboration (DC) (Subramayam, 1983) and the collaboration coefficient (CC) (Ajiferuke, Burrel & Tague, 1988).
Databases offered by Thomson Reuters Web of Science (WOS) are used frequently to realize different bibliometric studies about citation, authorship, collaboration, impact, etc. (Archambault, Campbell, Gingras & Lariviere, 2009; Lemarchadn, 2012). However, there are many researchers who have pointed the limitations that WOS has in fields or areas which have significant production in non-English language (Andersen, 2000; Moed, 2005; Nederhof, 2006). However, due to the fact that in the last years it has been incorporated journals from no English-speaking countries in Thomson Reuters database Social Sciences Citation Index (SSCI) we have considered it is a right occasion to analyze collaboration in...