“…Moreover, theoretical models of SUDs long distinguish between substance use evoked by a desire to avoid negative affect (i.e., avoid tendencies; e.g., Baker, Piper, McCarthy, Majeskie, & Fiore, 2004; Kassel et al, 2007) and substance use evoked by a desire to enhance positive affect (i.e., approach tendencies; e.g., Cheetham, Allen, Yücel, & Lubman, 2010; Volkow et al, 2005). In particular, avoidance motivations especially may be relevant for SUD recovery or relapse (Forster, Finn, & Brown, 2017; Gökbayrak, Paiva, Blissmer, & Prochaska, 2015; Lijffijt, Hu, & Swann, 2014; McCabe, Cranford, & Boyd, 2016; Venniro, Caprioli, & Shaham, 2016), and individuals with heightened avoidance tendencies experience more craving during periods of abstinence and worse treatment outcomes (Baker et al, 2004; Forsyth, Parker, & Finlay, 2003; Shorey et al, 2017).…”