“…On the other hand, if data suggested that noncompliance was a major issue, then formal enforcement may be necessary. Fortunately, there are several examples in the literature that can be used as practical tools to measure noncompliance and determine enforcement needs, such as administering questionnaires (Mamudu et al, 2016), observing smokers (Burke, Cinderich, Prince, & Curtis, 2015; Fallin et al, 2012; Ickes et al, 2013; Ickes, Gokun, Rayens, & Hahn, 2015), and mapping “hot spot” areas (Ickes, Gokun, Rayens, & Hahn, 2015; Pires, Block, Belance, & Marteache, 2015).…”