As a diagnosis, Posttraumatic stress disorder (PTSD) rests entirely on what people report about their symptoms. Thus, many people, such as Robert, Lisa, and even a Senator, who strive for compensation money or other benefits, falsely report suffering from it. While lying about the PTSD might be easy, detecting those who fabricate PTSD is a real challenge. If someone would instruct you to walk into a psychiatric clinic and claim that you suffer from severe psychological consequences of trauma exposure, do you think they would know that you are lying? As shown in a study by Hickling and his...