“…Arguably, there is currently no equivalent, comprehensive cognitive‐behavioural model of TTM, as the role of cognitions and beliefs in eliciting and maintaining hair pulling episodes has been the subject of limited investigation (Rehm et al ., ). Candidate beliefs proposed for incorporating into comprehensive cognitive‐behavioural models of TTM have included perfectionism, self‐control and self‐efficacy, permission‐giving cognitions, and negative self‐evaluations (Franklin & Tolin, ; Gluhoski, ; Moulding, Mancuso, Rehm, & Nedeljkovic, ; Norberg, Wetterneck, Woods, & Conelea, ; Pélissier & O'Connor, ; Roberts, O'Connor, Aardema, & Bélanger, ).…”