The dose-response model of psychotherapy aims to determine the specific number of sessions necessary to achieve clinically significant change across populations (Hansen, Lambert, & Forman, 2003; Howard, Kopta, Krause, & Orlinsky, 1986). While there are few studies that include session frequency as an aspect of the psychotherapy “dose,” Orlinsky’s (2009) generic model of psychotherapy suggests […]
Abstract Couple therapy outcomes tend to be judged by randomized controlled trial evidence, which comes primarily from the United States. United Kingdom and European outcome studies have tended to be naturalistic and there is a debate as to whether “laboratory” (RCT) studies are useful benchmarks for the outcomes of “clinic” (naturalistic) studies, not least because […]