“…The Task Force classified empathy as "demonstrably effective" (Ackerman et al, 2001, p. 495), and positive regard and genuineness as "promising and probably effective" (Ackerman et al, 2001, p. 495). In the substance user literature, these characteristics also received empirical support as therapist characteristics associated with positive working alliance development (Najavits & Weiss, 1994;Ritter et al, 2002). Given the robust empirical findings that empathy, positive regard, and genuineness are therapist characteristics associated with positive relationship development across client type and treatment modality (Ackerman & Hilsenroth, 2003), they will be referred to as General Therapist Characteristics (GTCs).…”