Scientists identify key traits of A**HOLES including manipulation, aggression, and entitlement

Whether it's a horrible manager at work or a particularly unlikeable ex-partner, everyone knows at least one person they'd describe as an a**hole. Now, scientists from the Franklin College of Arts and Sciences have revealed the key characteristics of a**holes – and say middle-aged men are most likely to have them. The core traits include manipulation, aggression, and entitlement, as well as irresponsibility and anger. The'Big Five' personality traits are: Openness - People who are generally open have a higher degree of intellectual curiosity and creativity. They are also more unpredictable and likely to be involved in risky behaviour such as drug taking.