1. Baldwin SA, Imel ZE (2013) Therapist effects: Findings and methods. In: Lambert MJ (Hrsg) Bergin and Garfield’s handbook of psychotherapy and behavior change, 6. Aufl. Wiley, New York, S 258–297
2. Beutler LE, Malik M, Alimohamed S et al (2004) Therapist variables. In: Lambert MJ (Hrsg) Bergin and Garfield’s handbook of psychotherapy and behavior change. Wiley, New York, S 227–306
3. Davis JD, Elliott R, Davis ML et al (1987a) Development of a taxonomy of therapist difficulties: Initial report. Br J Med Psychol 60:109–119
4. Davis J, Francis V, Davis M et al (1987b) Development of a taxonomy of therapists’ coping strategies: Initial report. Unpublished manuscript
5. Fliegel S, Schlippe A von (2005) „Grenzliches“-Schwierige Situationen im therapeutischen Alltag. Pid-psychotherapie Im Dialog 6:207–213