“…Since that time it has been employed as a core strategy in a wide variety of therapeutic settings. These have included marital and family therapies (Jacobson & Margolin, 1979;Falloon et al, 1984), social skills training (Brenner et al,1994;Liberman et al, 1981), the treatment of depression (Catalan et al, 1991;Nezu & Perri, 1989;Mynors-Wallace et al, 1995;Dowrick et al, 2000), generalized anxiety (Andrews et al, 1994), self-harm (Hawton & Kirk 1989;Salkovskis et al, 1990), delinquency (Biggam & Power, 2002) and borderline disorders (Linehan, 1987).…”