“…This model provided the theoretical basis for the IIP, which was designed to operationalize research in the field of interpersonal problems. The IIP was shown to be a valuable tool in psychotherapy research (Bressi, Porcellana, Marinaccio, Nocito, & Magri, ; Huber, Albrecht, Hautum, Henrich, & Klug, ; McMillen & Hilsenroth, ; Philips, Wennberg, Werbart, & Schubert, ) but has rarely been used in patients with psychotic disorders. A limited number of smaller studies, however, suggest that patients with psychoses may share a characteristic pattern of interpersonal problems, with higher loads on the “socially avoidant”, “exploitable”, “non‐assertive”, and “self‐sacrificing” subscales of the IIP (Berry, Barrowclough, & Wearden, ; Lysaker, Tsai, Henninger, Vohs, & Viverito, ; Mondrup & Rosenbaum, ; Startup, ).…”