“…“How do in‐session therapist behaviors contribute to strong and weak alliances with couples and families?” is undoubtedly an essential research question; however, only a few studies approached that question, and they used quite different research designs. One study (Thomas, Werner‐Wilson, & Murphy, ) using the Working Alliance Inventory‐Couples (Symonds & Horvath, ), and another five studies, using the same instrument utilized in the present study, the System for Observing Family Therapy Alliances (SOFTA; Friedlander, Escudero, Horvath, et al., ), assessed therapists’ alliance‐related behaviors within sessions (Escudero et al., ; Friedlander, Lee, Shaffer, & Cabrera, ; Lambert, Skinner, & Friedlander, ) or within cases over time (Friedlander, Lambert, Escudero, & Cragun, ; Muñiz de la Peña, Friedlander, Escudero, & Heatherington, ). One of those studies found that stable and deteriorating alliances were reflected in the relational control dynamics observed between therapists and their adolescent clients (Muñiz de la Peña et al., ); however, none focused its analysis on the possible differences associated with how the clients were referred to therapy and their (in)voluntary status.…”