Methods/Design. This study is a randomized controlled trial with three active treatment arms. This trial is conducted at the Swiss psychotherapy outpatient clinic from the Department of Psychology at the University of Zürich. The treatments are based on the same treatment protocol (Zinbarg et al., 2006). Overall, a 3 x 4 design with one between-subject factor (resource priming vs. supportive resource priming vs. problem priming) and one within-subject factor (time: pre, mid (session 6), post (session 14), 6-months follow-up).