A study conducted by LeadershipIQ that tracked the success and failure of new hires concluded that only 11% of employees failed because they lacked the technical competence to do the job. The remaining reasons new hires failed, were due to issues such as alienating co-workers, being unable to accept feedback, lack of ability to manage emotions, lack of motivation or drive and poor interpersonal skills.

Hiring for High Emotional Intelligence: How to Use the EQ Interview Process