“…The PPOS has been used to assess the preferences of practitioners and students in the areas of medicine, nursing, physiotherapy, and dentistry, and patients with respect to patient-centredness (e.g. Beattie et al, 2012;Carlsen & Aavik, 2006;Carlsen et al, 2008;Chan & Ahmad, 2012;Cvengros et al, 2007;Davis et al, 2006;Grilo et al, 2014;Haidet et al, 2001Haidet et al, , 2002Krupat et al, 1996Krupat et al, , 2000Krupat et al, , 2001Lee et al, 2008;Moore, 2009;Ribeiro et al, 2007;Ross & Haidet, 2011;Shaw et al, 2012;Street et al, 2003;Tsimtsiou et al, 2007Tsimtsiou et al, , 2012Wahlqvist et al, 2010). The 18-item PPOS was devised following principal component analysis of the scores of medical practitioners and patients on an earlier 61-item questionnaire (Krupat et al, 1996).…”