The Psychology of Emotional Intelligence — Model, Evidence, and How It Grows
By the numbers
Figures come from the studies cited at the end of this page. Numbers describe group averages and study samples, not rules about individuals.
The evidence
What the research actually shows
The scientific concept began with Peter Salovey and John Mayer (1990), who defined emotional intelligence as the ability to monitor one's own and others' feelings, to discriminate among them, and to use that information to guide thinking and action. Their later ability model breaks EI into four branches — perceiving emotions, using emotions to facilitate thought, understanding emotional meanings, and managing emotions — measured by a performance test, the MSCEIT (Mayer, Salovey and Caruso). Because it is scored against consensus and expert answers rather than self-report, this approach treats EI as an aptitude, closer to a form of intelligence than a personality trait.
Daniel Goleman's 1995 bestseller popularized the term and famously suggested EI might matter more than IQ for success. That claim was always stronger than the data. Meta-analyses (for example, Joseph and Newman, 2010) find that measures of EI do predict job performance and wellbeing to a modest degree, and add some value beyond IQ and personality — but the effect is moderate, not revolutionary, and depends heavily on which test is used. It is fair to say EI is a meaningful construct whose importance has often been oversold.
A recurring finding is that 'ability' tests and self-report questionnaires measure somewhat different things and correlate only weakly with each other. On ability measures, women tend to score modestly higher on average, particularly on perceiving and understanding emotions; on self-report 'trait EI' measures the picture is more mixed. These differences are small relative to the wide variation among people of the same gender, so knowing someone's sex tells you very little about their emotional skill.
The mechanism
Why this happens
Part of the reason EI looks like a skill rather than a fixed trait is developmental. Understanding emotions draws on language and experience: children build an emotional vocabulary and a mental model of feelings through countless interactions with caregivers and peers. People who grow up in environments where feelings are named, discussed, and taken seriously tend to arrive at adulthood with a richer toolkit for reading and regulating emotion, which is one reason the skill can keep developing across life.
The modest average gender gap on some facets likely reflects socialization more than biology. In many cultures, girls are encouraged from early on to attend to feelings, talk about relationships, and read social cues, while boys are more often steered toward action and stoicism. Emotion-management strategies also differ on average, but neither pattern is innate destiny — men who practise labelling and reflecting on emotions improve, which is exactly what a skill-based account predicts.
Mechanistically, managing emotions overlaps with what psychologists call emotion regulation: strategies such as reappraisal (reframing a situation) and, less helpfully, suppression. The prefrontal regions involved in regulation continue maturing into the mid-twenties and stay plastic, which is part of why deliberate practice — noticing, naming, and choosing a response — can shift emotional skill over time rather than leaving it fixed at birth.
EI is less a fixed quantity you either have or lack, and more a bundle of skills that can be strengthened with practice.
In practice
What this looks like in real life
A manager who senses a team member is quietly overwhelmed, checks in without making it awkward, and adjusts a deadline is using several EI branches at once — perceiving the emotion, understanding what it means, and managing the situation constructively. The same manager who ignores the signals until the person burns out is not less caring, but is drawing on the skill less effectively in that moment.
In a heated argument, someone with stronger emotion-management might notice their own rising anger, pause, and name it ('I need a minute, I'm getting worked up') rather than firing back. This is not about suppressing feeling; it is about staying aware enough of the feeling to choose the next move. Partners often describe this pause as the difference between a fight that repairs and one that escalates.
Emotional skill also shows up in reading a room: recognizing that a friend's cheerful 'I'm fine' does not match their body language, and gently making space for what is really going on. People vary widely here regardless of gender, and the same person may be perceptive with friends yet blind in high-stakes situations, because stress narrows attention.
Myth vs. evidence
What most people get wrong about this
The biggest misconception is that emotional intelligence is a single fixed quantity you either have or lack, like eye colour. The research points the other way: it is a bundle of related skills that can be strengthened with practice, especially the understanding and managing branches. Framing someone as simply 'low EI' is usually less accurate and less useful than noticing which specific skill is underdeveloped.
A second error is treating EI as pure warmth or niceness. It is not the same as being agreeable, and it is not automatically virtuous — the very skills that let someone read and influence emotions can, in rare cases, be misused. Genuine emotional intelligence includes managing your own emotions honestly and respecting others', not just charming a room. It is also frequently overstated as a predictor of success; it matters, but so do many other things.
Why it matters
What this means for relationships
In close relationships, the managing and perceiving branches tend to matter most: partners who can notice a feeling, name it, and stay regulated during conflict report more satisfaction on average. The practical upshot is that emotional skill is trainable together — couples who slow down, label what they feel, and get curious about each other's inner state build the capacity over time rather than waiting to be born with it.
Because averages hide huge individual variation, it is a mistake to assume a partner of either gender is naturally better or worse at this. A more respectful and effective stance is to treat emotional skill as something both people can grow. Where one partner has been socialized away from emotional language, patience and modelling tend to work better than criticism, which usually triggers defensiveness rather than growth.
Two ways psychologists measure emotional intelligence
A side-by-side contrast to make the distinction concrete — patterns and tendencies, not rigid rules.
| Aspect | Ability EI | Trait / self-report EI |
|---|---|---|
| What it measures | Actual skill at solving emotional problems, scored against expert answers | How emotionally capable a person believes they are |
| Typical tool | Performance test such as the MSCEIT | Self-report questionnaire |
| Best thought of as | A form of intelligence, an aptitude | A cluster of personality-like dispositions |
| Main limitation | Debate over whether emotions have 'correct' answers | Can inflate scores; overlaps with existing personality traits |
Where it varies
The nuance
The evidence base is genuinely mixed by measure. Ability tests, mixed models, and trait self-reports capture overlapping but distinct things, and studies that lump them together produce muddier results. Where EI predicts outcomes, the effects are typically small to moderate and strongest for wellbeing and interpersonal outcomes rather than raw achievement. Honest reporting means resisting both the hype and the backlash.
Gender differences, where they appear, are averages with large overlap — Janet Hyde's gender similarities hypothesis (2005) is a useful anchor here, showing most psychological sex differences are small. An individual's history, culture, current stress, and deliberate practice usually matter more for their emotional skill than their sex. Treating EI as a developable set of skills, not a verdict, is both the most accurate and the most humane reading of the science.
Key takeaways
- Emotional intelligence is a set of skills — perceiving, using, understanding, and managing emotions — first defined by Salovey and Mayer in 1990.
- The evidence supports EI as a modest predictor of wellbeing and interpersonal outcomes; the claim it beats IQ for success was overstated.
- Ability tests and self-report questionnaires measure different things and correlate only weakly, so it matters which one a study used.
- Average gender differences on some facets are small, with wide overlap; a person's sex predicts their emotional skill poorly.
- The understanding and managing branches are especially trainable, which makes EI more a developable skill than a fixed verdict.
Questions people ask about this
Is emotional intelligence a real, scientifically supported thing?
Yes, as a set of related skills for perceiving, using, understanding, and managing emotions, defined by Salovey and Mayer in 1990. Research suggests it modestly predicts wellbeing and some interpersonal outcomes, though the popular claim that it matters more than IQ overstated the evidence.
Can emotional intelligence be learned or improved?
Research suggests parts of it can, particularly understanding and managing emotions. Practices like naming feelings, reappraising situations, and reflecting on others' perspectives tend to help over time. Improvement varies between individuals and takes deliberate practice rather than a quick fix.
Do women have higher emotional intelligence than men?
On some ability measures women tend to score modestly higher on average, especially perceiving and understanding emotions, but the difference is small and the overlap is large. Self-report measures are more mixed, and an individual's skill is not well predicted by their gender.
What is the difference between EI and IQ?
IQ concerns reasoning with abstract information; EI concerns reasoning with and about emotions. They are only weakly related, and each predicts somewhat different outcomes. Both appear to matter, and neither alone determines how someone's life or relationships turn out.
What are the four parts of emotional intelligence?
In the Mayer-Salovey ability model they are perceiving emotions, using emotions to aid thinking, understanding emotional meanings, and managing emotions in yourself and others. The understanding and managing branches are the ones most people can develop with practice.
Is high emotional intelligence always a good thing?
Usually it supports healthier relationships and better coping, but the skills are somewhat morally neutral. The same abilities that help someone connect can, in rare cases, be used manipulatively. Genuine EI includes managing your own emotions honestly and respecting other people's.
Research sources
These references point to the published research and established frameworks behind this page. They are provided for further reading; see our research methodology for how sources are selected.
- Salovey, P., & Mayer, J. D. (1990). Emotional intelligence. Imagination, Cognition and Personality, 9(3), 185–211.
- Mayer, J. D., Salovey, P., & Caruso, D. R. (2008). Emotional intelligence: New ability or eclectic traits? American Psychologist, 63(6), 503–517.
- Goleman, D. (1995). Emotional Intelligence: Why It Can Matter More Than IQ. Bantam Books.
- Joseph, D. L., & Newman, D. A. (2010). Emotional intelligence: An integrative meta-analysis. Journal of Applied Psychology, 95(1), 54–78.
- Brackett, M. A., Rivers, S. E., & Salovey, P. (2011). Emotional intelligence: Implications for personal, social, academic, and workplace success. Social and Personality Psychology Compass, 5(1), 88–103.
- Hyde, J. S. (2005). The gender similarities hypothesis. American Psychologist, 60(6), 581–592.
Last reviewed by the Men Women Psychology editorial team.
Written and reviewed by the Men Women Psychology Editorial Team against our editorial standards. This article is educational and is not a substitute for professional advice.