“…The original language categorization into desire and ability originates from psycholinguistic laboratory studies using quasi-performative verbs (Amrhein, 1992). This categorization has been extended in therapy field research integrating commitment (Mahrer, Gagnon, Fairweather, Boulet, & Herring, 1994), reasons, need, and taking steps (Aharonovich et al, 2008;Amrhein et al, 2003;Baer et al, 2008) and is incorporated within the observation coding manuals for MI (Martin, Moyers, Houck, Christopher, & Miller, 2005;Miller & Mount, 2001;Miller et al, 2008). Whereas earlier MI coding manuals could only predict the lack of behaviour change based on resistance language (i.e.…”