“…Along with accuracy and complexity of learner language (Ellis & Barkhuizen, 2005), speech fluency has merited considerable research attention and emerged recently as a one of the most reliable indicators of L2 proficiency and progress (Brandt & Götz, 2011;Bosker, Pinget, Quene, Sanders, & De Jong, 2013;Cucchiarrini, Strik, & Boves, 2000, 2002De Jong, Steinel, Florijn, Schonen, & Hulstijn, 2009, 2012Götz, 2013;Hilton, 2008;Osborne, 2007, Pinget, Bosker, Quene, & De Jong, 2014. Defined as observable, real-time speech behaviour, oral fluency is described and measured in terms of a set of temporal variables related to the speed of speaking, time filled with speech vs silence and the occurrence of hesitation and repair phenomena.…”