The Trait Emotional Intelligence Questionnaire (TEIQue) is a world leading and best-selling suite of personality assessments. It has been translated into over 20 languages and is used globally for commercial, research, and self-development purposes.
For an example of scientific and practical impact, see: https://www.ucl.ac.uk/impact/case-studies/2014/dec/trait-emotional-intelligence-questionnaire-teique-improving-outcomes-business
For more information, see www.teique.com