“…According to Green and Spry (2014), research has been conducted in trying to evaluate the implementation of new legislation, as well as procedures (see, for example, Dube, Dube, & GarciaPonce, 2013 and their research on U.S. gun laws and violence in Mexico; Vásquez, Maddan, & Walker, 2008 and their study on the influence of sex offender registration and notification laws in the U.S.). These studies utilise interrupted time series analysis, which is a method that "focuses on the effects of a sudden shock that is hypothesised to generate a shift in outcomes" (Green & Spry, 2014, p. 235).…”