van Thiel, Sabine, Margot C.W. Joosen, Anne-Linde Joki, Arno van Dam, Jac J.L. van der Klink, and Kim de Jong. 2021. “Psychometric Analysis of the Dutch Language Facilitative Interpersonal Skills (FIS) Video Clips”. Research in Psychotherapy: Psychopathology, Process and Outcome 24 (1). https://doi.org/10.4081/ripppo.2021.513.