“…Beliefs are important in determining the sequelae of hallucinatory experiences (Chadwick & Birchwood, 1994). The Beliefs About Voices Questionnaire-Revised (BAVQ-R; Chadwick, Lees, & Birchwood, 2000), the Voice Power Differential (VPD; Birchwood, Meaden, Trower, Gilbert, & Plaistow, 2000) and the Voice and You Scale (VAY; Hayward, Denney, Vaughan, & Fowler, 2008) are presented below. The reader may also be interested in the Interpretation of Voices Inventory which was developed for a non-clinical population (Morrison, 2002) and is thus not reviewed here although it has been employed with patients (Morrison et al, 2004).…”