The SEI has been normed and validated internationally; over 100,000 people are in the SEI norm base, and multiple studies have shown the SEI to be an effective measure tied to important work and life outcomes. Here is a selection:
SEI Technical Briefing
Overview of the SEI, SEI-YV, and SEI360 tools and their psychometric properties [PDF]
SEI Technical Manual
The SEI Technical Manual is free online in our Knowledge Base with extensive data about the SEI, its psychometric properties and validation.
State of the Heart
What is the status of emotional intelligence in the world today? For the first time ever, a view of world-wide data on key strengths and weaknesses, opportunities and threats for EQ globally. Drawing on a database of over 100,000 assessments, a global sample was created to generate a balanced basis of comparison of EQ in 2011-2013 and in 2014-15, in the 3 regions of the world: APAC, AMER, EMEA. Download the report from http://6sec.org/soh
Additional White Papers and Research Articles using SEI
Note: See the Case-Study archive for the most up-to-date collection.
White Paper: EQ and Success. Emotional intelligence predicts 55% of critical success factors – and certain EQ skills are key to specific aspects of success: Effectiveness, Relationships, Quality of Life, Wellbeing [White Paper]
The Amadori Case: Supplying McDonalds – Organizational Engagement, Emotional Intelligence and Performance. In a 3-year study of multiple plants, strong links are demonstrated between leaders’ emotional intelligence, managerial performance, and employee engagement. [Online]
White Paper: Emotional Intelligence for Athletes’ Life Success. Among 30 retired members of the National Football League, there is a very strong correlation between EQ and “life success” (health, behavior). [PDF, slide highlights, press release]
White Paper: EQ, Stress, and Performance in Healthcare: SEI predicts 60-80% of the variation in performance scores (higher for more senior team members). EQ seems to mitigate the negative effects of stress. [White paper] [PDF, slides, and press release also available]
Research Analysis: Women’s Leadership Edge: Global Research on Emotional Intelligence, Gender, and Job Level. Reviewing data from 24,000 workers and leaders from around the world shows that women have an untapped leadership edge — but not in all areas of EQ. [Article Online]
White Paper: Optimism for Performance: Optimism on SEI predicts 17.9% of performance scores in high-tech company [PDF]
Journal Article: Differentiating emotional intelligence in leadership: Study of 3,305 employees shows that executives have higher levels of EQ (ie, emotional intelligence is predictive of job success) and that different levels of employees have different development needs. [Authors’ Prepublished Version – PDF] [Official Abstract]
In addition, please see:
Case Study archive showing evidence-based examples of emotional intelligence increasing performance
Research and Practice Library specifically related to education / social-emotional learning.