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Comment & Response |

Importance of Understanding the Validity and Reliability of Visual Analogue Scales for Rating of Personality—Reply

Ralph Litschel, MD1; Abel-Jan Tasman, PhD1
[+] Author Affiliations
1Department of Otorhinolaryngology–Head and Neck Surgery, Cantonal Hospital, St Gallen, Switzerland
JAMA Facial Plast Surg. 2015;17(4):311-312. doi:10.1001/jamafacial.2015.0726.
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In Reply We are thankful to Chua and colleagues for commenting on the methodology of our study “Effect of Protruding Ears on Visual Fixation Time and Perception of Personality,” in which we investigated the attention-drawing effect of protruding ears using an eye-tracking device and the effect of protruding ears on selected personality traits.

The chosen personality traits were derived from the validated Neuroticism-Extraversion-Openness Personality Inventory (NEO-PIR) questionnaire published by McCrea and John,1 representing the so-called big 5 personality traits. We added 4 more traits that have been used in previous research.2


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July 1, 2015
Shunjie Chua, BEng; Mark Pitts, PhD; Peter Lemark, MBA
1Duke NUS Graduate Medical School, Singapore2Duke University School of Medicine, Durham, North Carolina
3Pritzker School of Medicine, University of Chicago, Chicago, Illinois
4Booth School of Business, University of Chicago, Chicago, Illinois
JAMA Facial Plast Surg. 2015;17(4):311. doi:10.1001/jamafacial.2015.0676.
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