As a graduate student at The Chicago School of Professional Psychology, Dr. Derek Lusk investigated the moderating effect of ability-based emotional intelligence on the relationship between the dark side of personality and extreme leadership behavior. He used the Hogan Development Survey (HDS) to measure the dark side, the Mayer-Salovey-Caruso Emotional Intelligence Test (MSCEIT) to measure emotional intelligence, and the Leadership Versatility Index (LVI) to measure leadership behavior. The study found that emotional volatility is negative related to relationship-oriented leadership, as well as a link between dysfunction dispositions and emotional intelligence.
