• Gráinne Schäfer, Kenneth M Prkachin, Kimberley A Kaseweter, and Williams Amanda C de C AC.
• aResearch Department of Clinical, Educational & Health Psychology, University College London, London, United Kingdom bNeonatal Unit, Queen Charlotte's and Chelsea Hospital, London, United Kingdom cDepartment of Psychology, University of Northern British Columbia, Prince George, BC, Canada dDepartment of Psychology, University of British Columbia, Kelowna, BC, Canada.
• Pain. 2016 Aug 1; 157 (8): 1618-25.

AbstractEstimates of patients' pain, and judgments of their pain expression, are affected by characteristics of the observer and of the patient. In this study, we investigated the impact of high or low trustworthiness, a rapid and automatic decision made about another, and of gender and depression history on judgments made by pain clinicians and by medical students. Judges viewed a video of a patient in pain presented with a brief history and rated his or her pain, and the likelihood that it was being exaggerated, minimized, or hidden. Judges also recommended various medical and treatment options. Contrary to expectations, trustworthiness had no main effect on pain estimates or judgments, but interacted with gender producing pervasive bias. Women, particularly those rated of low trustworthiness, were estimated to have less pain and to be more likely to exaggerate it. Unexpectedly, judgments of exaggeration and pain estimates were independent. Consistent with those judgments, men were more likely to be recommended analgesics, and women to be recommended psychological treatment. Effects of depression history were inconsistent and hard to interpret. Contrary to expectations, clinicians' pain estimates were higher than medical students', and indicated less scepticism. Empathy was unrelated to these judgments. Trustworthiness merits further exploration in healthcare providers' judgments of pain authenticity and how it interacts with other characteristics of patients. Furthermore, systematic disadvantage to women showing pain is of serious concern in healthcare settings.

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