1. Method of Levels: initial steps in assessing adherence and the development of a qualitative framework for mapping clients’ control hierarchies;Bird;The Cognitive Behaviour Therapist,2009
2. A pilot randomized controlled trial of Method of Levels as a trans-diagnostic intervention within a primary care psychology service;Bird,2013
3. A conversation analysis of asking about disruptions in method of levels psychotherapy;Cannon;Counselling and Psychotherapy Research,2019
4. Investigating the role of redirecting awareness in the change process: a case study using the Method of Levels;Carey;International Journal of Reality Therapy,2001
5. Can patients specify treatment parameters? A preliminary investigation;Carey;Clinical Psychology & Psychotherapy,2005