personality trait predicts your tendency to lie and cheat - Yahoo Singapore Finance sg.finance.yahoo.com/news/personality-trait-predicts-tendency-lie-194027309.html?linkId=14979657 (Flickr/Esparta) For years, many psychologists have believed that five personality traits could explain human behavior. These traits, known as the " Big Five," include openness, conscientiousness, extroversion, agreeableness, and neuroticism. Now, researchers at the University of Koblenz-Landau in Germany say that a sixth personality trait can predict one type of behavior that none of the other traits can: dishonesty.