Empathy quotient (EQ) is a psychological self-report measure of empathy developed by Simon Baron-Cohen and Sally Wheelwright at the Autism Research Centre at the University of Cambridge. EQ is based on a definition of empathy that includes cognition and affect. According to the authors of the measure, empathy is a combination of the ability to feel an appropriate emotion in response to another's emotion and the ability to understand the others' emotion (associated with the theory of mind). EQ was developed in response to what the authors considered to be a lack of questionnaires which measure empathy exclusively: other measures such as the questionnaire measure of emotional empathy and the empathy scale have multiple factors which are uncorrelated with empathy, often associated with social