Emotional Intelligence at Work: Where It Actually Helps

The numbers, without the hype

The largest meta-analysis of EI and job performance found corrected correlations of 0.24 to 0.30 across ability tests, four-branch self-report measures and mixed models (O’Boyle and colleagues, 2011). Those are real relationships, but in statistical terms a correlation of .30 accounts for about 9 percent of the variance, which leaves most differences in performance to skills, experience, effort, resources and luck.

Two refinements matter. For ability EI, the link with performance was positive in jobs with high emotional labor and negative in jobs with low emotional labor (Joseph and Newman, 2010). And for mixed EI questionnaires, the correlation with supervisor-rated performance (ρ = .29) disappeared once ability EI, self-efficacy, self-rated performance, personality and general mental ability were taken into account (Joseph and colleagues, 2015). EI matters where the work is emotional, and some of what workplace EQ surveys capture is plain conscientiousness and confidence.

Which jobs lean on emotional skill

These are examples for illustration, not research categories. The point is to ask how much of your job is emotional work before deciding how much to invest in it, and in which skill.

Emotional labor: faking it versus feeling it

Alicia Grandey defined emotional labor as regulating feelings and expressions to meet a job’s display rules, and modeled it with emotion-regulation theory, including individual differences such as EI and workplace factors such as supervisor support (Grandey, 2000). There are two broad ways to do it. Surface acting means putting on the expected expression while feeling something else. Deep acting means trying to actually feel the expected emotion, often by changing how you see the situation.

The difference shows up in the data. Across 95 studies, surface acting and the gap between felt and required emotions correlated with impaired well-being (ρ between .39 and .48), while deep acting showed weak links to strain and positive links to emotional performance and customer satisfaction (ρ .18 and .37) (Hülsheger and Schewe, 2011). These are correlations, so they do not prove that switching strategies causes better outcomes, but they point in a consistent direction.

Psychological safety is a team property

Some of what gets called workplace EQ belongs to teams, not individuals. In a study of 51 work teams at a manufacturing company, team psychological safety, a shared belief that the team is safe for interpersonal risk taking, was associated with learning behavior, which in turn mediated its link with team performance (Edmondson, 1999). One emotionally skilled member cannot create that belief alone. It comes from how the group, and especially its leader, responds when someone admits a mistake or asks a basic question.

Concrete moves that support it: thank the person who reports a problem before discussing the problem (“Thanks for flagging this early”), ask “What am I missing?” before closing a decision, and talk about your own errors in the same tone you want others to use. The leadership guide goes further.

The uncomfortable part: skill is not virtue

Emotional skill can be used on colleagues as well as for them. In a workplace study, people high in Machiavellianism who also knew a lot about regulating emotions engaged in more harmful behavior toward coworkers (Côté and colleagues, 2011). A manager who reads feelings expertly and uses that to pressure people is emotionally skilled and still a bad manager. Organizations that celebrate “high EQ” should look at what it is being used for.

Keep scores out of hiring and promotion

Given how much mixed EI overlaps with other traits, and how much the performance link depends on the role, EI scores are a weak basis for decisions about people. EQTiger in particular is a reflection tool with descriptive 0 to 100 scores. It is not validated for employment use, and no one should be asked to share a result as proof of competence. The EQ test for work page explains how to use it for your own development only.

Where to go next

For the in-the-moment skills, read emotional regulation at work. For the exchanges that test teams most, see giving and receiving feedback and communication under pressure. The workplace hub lists everything in this series.