“…Most of the research has occurred in the United States and Canada, whereas the studies performed in European countries are considerably more recent. Nevertheless, these studies have had to confront some difficulties along the way: the phenomenon known in international literature as dating violence or dating aggression (Feiring, Simon, & Cleland, 2009;Jackson, 1999;Lewis & Fremouw, 2001;O'Leary & Smith-Slep, 2003;Shorey, Febres, Brasfield, & Stuart, 2012) & González, 2007a;2007b;Muñoz-Rivas, Gámez-Guadix, Graña, & Fernández, 2010;Ortega et al, 2008;among others). Nevertheless, some research has alluded to the very nature of this phenomenon of using one label or another: certain studies focus on a behavioural definition of the problem, whereas other studies take into account the consequences for the victim and the intention of the aggressor (Menesini & Nocentini, 2008).…”