Emotional intelligence
The ability to perceive, use, understand, and manage emotions.
What it means
Emotional intelligence is the capacity to accurately perceive emotions in oneself and others, to use emotions to facilitate thinking, to understand emotional meanings and their progression, and to regulate emotions effectively. The ability model treats it as a genuine intelligence measurable with performance tests, distinct from popular 'mixed' models that bundle in personality traits and motivation and are measured by self-report. Higher EI is associated with better social relationships, leadership, and well-being, though effect sizes shrink once general intelligence and personality are controlled, and the construct's boundaries remain debated. The popularized version has been criticized for overclaiming and conceptual sprawl. Despite the controversy, the underlying skills of perceiving and managing emotion are clearly trainable and consequential.
The four branches
The ability model arranges emotional intelligence as four related skills of increasing complexity: perceiving emotion in faces, voices and situations; using emotion to direct attention and reasoning; understanding how feelings combine, shift and escalate; and managing emotion in oneself and others. The branches are meant to build on one another, because you cannot regulate a feeling you have not first perceived and understood. Meta-analytic work supports this ordering: perception and understanding tend to feed regulation, which in turn predicts outcomes, rather than each skill acting on its own. This hierarchy is what separates the ability model from loose checklists of emotional competencies, and it is why practitioners distinguish reading emotion accurately from the much harder work of actually changing it.
How it is measured
Two measurement traditions rarely agree. Performance tests such as the MSCEIT pose emotional problems, like naming the feeling in a photograph or predicting how a mood will develop, and score answers against population consensus or expert panels. This raises a stubborn question: unlike arithmetic, an emotion item has no indisputably correct answer, so accuracy is defined by agreement rather than truth, and although the consensus and expert keys largely agree, neither is a ground truth. Self-report questionnaires instead ask people to rate their own emotional skill, which is quick and popular but measures confidence as much as competence and overlaps heavily with personality. Because the two methods correlate only modestly, a person can score high on one and ordinary on the other, and studies built on different instruments are not strictly comparable.
What the evidence shows
Meta-analyses find emotional intelligence predicts job performance, well-being and relationship quality at modest but non-trivial levels, and, importantly, adds a little predictive power beyond IQ and the Big Five. The size depends on context. Joseph and Newman found ability-based emotional intelligence helps in jobs with heavy emotional labor, such as nursing, sales or customer service, but adds nothing, and can even predict slightly worse performance, in roles with little interpersonal demand. Mixed and trait measures show larger raw correlations, partly because they smuggle in general personality. The association with subjective well-being is consistent and moderate. None of these effects is large, and the incremental validity, while real, is small, so emotional intelligence is best read as one useful signal among many rather than a master variable.
Why it stays contested
Critics argue the popular construct is a moving target. Emotional intelligence has been stretched to include motivation, optimism, self-control and warmth until it risks relabelling well-studied personality traits as a new intelligence, the jangle fallacy of giving one thing two names. Edwin Locke and others have called the mixed models incoherent for this reason, and questioned whether an intelligence can be defined by socially desirable outcomes at all. The ability model answers some of this by insisting on performance measurement and discriminant validity, though even there the scoring is disputed. The honest position is narrow: specific skills, noticing emotion, labelling it, regulating it, are measurable, teachable and useful, while the grander claim that a single EQ score explains life success is not well supported.
Examples
A manager who senses a team member's quiet frustration, names it, and adjusts the workload before it boils over is exercising emotional intelligence.
A candidate rates herself ten out of ten on a self-report 'EQ' quiz — exactly the claim the ability model distrusts, since reading emotion accurately is a skill to be tested, not declared.
A teacher sees that a pupil's rudeness is shame at not understanding, and quietly reteaches the point after class instead of punishing the outburst.
In a tense negotiation, one side notices the other's clipped answers and folded arms, softens the demand, and reframes it as a shared problem before the deal collapses.
A nurse near the end of a double shift catches her own rising irritation, steps into the corridor to reset, and keeps her voice calm for a frightened patient.
First described in Salovey & Mayer (1990); popularized by Daniel Goleman (1995).
Key references
- Mattingly, V., & Kraiger, K. (2019). Can emotional intelligence be trained? A meta-analytical investigation. Human Resource Management Review, 29(2), 140-155. doi.org/10.1016/j.hrmr.2018.03.002
- Sanchez-Alvarez, N., Extremera, N., & Fernandez-Berrocal, P. (2016). The relation between emotional intelligence and subjective well-being: A meta-analytic investigation. The Journal of Positive Psychology, 11(3), 276-285. doi.org/10.1080/17439760.2015.1058968
- O'Boyle, E. H., Humphrey, R. H., Pollack, J. M., Hawver, T. H., & Story, P. A. (2011). The relation between emotional intelligence and job performance: A meta-analysis. Journal of Organizational Behavior, 32(5), 788-818. doi.org/10.1002/job.714
- Joseph, D. L., & Newman, D. A. (2010). Emotional intelligence: An integrative meta-analysis and cascading model. Journal of Applied Psychology, 95(1), 54-78. doi.org/10.1037/a0017286
- Mayer, J. D., Salovey, P., & Caruso, D. R. (2008). Emotional intelligence: New ability or eclectic traits? American Psychologist, 63(6), 503-517. doi.org/10.1037/0003-066X.63.6.503
- Salovey, P., & Mayer, J. D. (1990). Emotional intelligence. Imagination, Cognition and Personality, 9(3), 185-211. doi.org/10.2190/DUGG-P24E-52WK-6CDG