“…Two studies using similar methodologies found no change in average urge ratings between tic-freely and reinforced tic suppression periods, inconsistent with the urge reduction model (Specht et al, 2013;Woods, Walther, Bauer, Kemp, & Conelea, 2009). Subsequent analyses of the Specht et al (2013) data suggested that when tics were allowed, there was a trend toward tic completion being least likely following low-intensity urge ratings and most likely following high-intensity urge ratings (Specht et al, 2014).…”