Mellado, A., Suárez, N., Altimir, C., Pérez, J. C., Martínez, C., Krause, M., & Horvath, A. (2017). Disentangling the change-alliance relationship: Observational assessment of the therapeutic alliance during change and stuck episodes. Psychotherapy Research, 27 (5), 595-607. http://dx.doi.org/10.1080/10503307.2016.1147657