Soft skills humans rather than quantitative intelligence. Many industries today give prominence to soft skills of their employees. It is through a 1972 US Army training manual identified formal usage of the term "soft skills" began. Soft skills are a cluster of productive personality traits that characterize one's relationships in a milieu. These skills can include social graces, communication abilities, language skills, personal habits, cognitive or emotional empathy, time management, teamwork and leadership traits. A definition based on review literature explains soft skills as an umbrella term for skills under three key functional elements: people skills, social skills, and personal career attributes.
Emotional intelligence for 67% of the abilities deemed necessary for superior performance in leaders, and mattered twice as much as technical expertise or IQ. Other research finds that the effect of EI on leadership and managerial performance is non-significant when ability and personality are controlled for, and that general intelligence correlates very closely with leadership. Markers of EI and methods of developing it have become more widely coveted in the past decade. In addition, studies have begun to provide evidence to help characterize the neural mechanisms of emotional intelligence. Criticisms have centered on whether EI is a real intelligence and whether it