Graham Davey is Professor of Psychology at the University of Sussex and Editor-in-Chief of the Journal of Experimental Psychopathology. Kate Cavanagh is a Senior Lecturer in Clinical Psychology at the University of Sussex. Fergal Jones is a Senior Lecturer in Clinical Psychology at Canterbury Christ Church University in Kent. Lydia Turner is a Consultant Psychological Therapist, and Adrian Whittington is a Consultant Clinical Psychologist, both based at the Sussex Partnership NHS Foundation Trust.