The SEI has been normed and validated internationally; over 28,000 people have taken the assessment, and several studies have shown the SEI to be an effective measure tied to important work and life outcomes. Here is a selection:
SEI Technical Manual: Overview of validation and psychometric properties [PDF]
SEI Brain Profiles Technical Manual: Overview of the tools and their psychometric properties [PDF]
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]
White Paper: Optimism for Performance: Optimism on SEI predicts 17.9% of performance scores in high-tech company [PDF]
Research Summary: Youth Emotional Intelligence Assessment – validity of SEI-YV and summary data on EQ predicting important life and school outcomes [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.
In addition, we have a Research and Practice Library specifically related to education / social-emotional learning.