Evaluation of teaching an integrated case formulation approach on the quality of case formulations: randomised controlled trial. The Psychiatrist 2012; 36: . The last line of the second introductory paragraph should read: ‘We are not aware of any published UK studies on this subject; however, in an unpublished British study, M.A. examined 150 new assessment letters, of which only 6% included any formulation, showing that case formulation is rarely attempted in routine psychiatric practice.’ In addition, the Case Formulation Scale is available as an online supplement to this correction.