Recent psychological research is investigating how socially unpleasant personality traits affect employees’ mental health and sense of purpose. The findings of this study indicate that narcissism is associated with improved psychological well-being through higher emotional intelligence, whereas psychopathy predicts the opposite outcome. The study was published in the journal Acta Psychologica.
The Dark Triad represents three negative and socially aggressive personality traits. These exact traits include narcissism, Machiavellianism, and psychopathy. Although these are distinct concepts, they share a core foundation of emotional coldness, interpersonal manipulation, and a general lack of empathy for others.
Narcissism usually involves grandiosity, an exaggerated sense of entitlement, and a constant desire for external admiration. People with strong Machiavellian tendencies tend to be calculating, highly cynical, and focused only on their own interests rather than the goals of the group. Psychopathy is defined by high impulsivity, erratic behavior, and deep emotional deviation from conventional social norms.
Psychology researchers have closely studied how these traits predict bad behavior and toxic environments in the workplace. Few studies have investigated how these traits actually affect the inner lives and overall functioning of employees who possess them. Lead author Sulakshana Hatnyar and co-author Indrani Phukan Boror, researchers at India’s Gauhati University, wanted to investigate this particular gap in the literature.
They designed the project to measure a concept called psychological well-being. This is an idea rooted in eudaimonic philosophy. It is very different from traditional thinking about hedonic well-being, which only measures momentary joy or the simple absence of sadness or pain. Instead, this concept focuses on a person’s ability to grow, find a clear purpose in life, and build highly meaningful relationships. The researchers wondered whether interpersonal difficulties associated with dark personality traits might impede an individual’s ability to achieve this deeper sense of fulfillment.
Hatniyar and Boroa also highlighted emotional intelligence as a potential mediator in this psychological dynamic. Emotional intelligence is simply the ability to recognize, understand, and manage your own emotions as well as those of others. Researchers thought that having strong emotional skills could help some people navigate social situations gracefully and protect their mental health, even if they have dark personality tendencies.
To test these ideas, the researchers recruited 217 employees in industrial management roles in the Kamrup metropolitan area of Assam, India. Participants were men and women between the ages of 21 and 60. Using a standardized psychological questionnaire, employees assessed their own dark personality traits, emotional skills, and level of personal growth and self-acceptance.
The researchers then used statistical software to examine the mathematical relationships between the various survey scores. They specifically performed a mediation analysis. This type of statistical test examines whether a third variable, such as emotional competence, helps explain the indirect relationship between personality traits and end outcomes such as mental health.
The results revealed contrasting effects depending on the specific personality trait analyzed. In fact, narcissism predicted greater psychological well-being in industrial workers. This positive relationship is partially explained by emotional intelligence. The data showed that employees with more narcissistic traits also reported higher emotional intelligence, which predicted greater happiness later in life.
This suggests that narcissistic individuals may actively use emotional skills to achieve personal goals in a socially compatible manner. The temporary self-confidence and inflated self-esteem common in narcissists may help them maintain a sense of competence at work. However, researchers note that rather than revealing their true emotional conflicts, narcissists may simply be inflating their self-reported survey scores to make themselves look better.
For psychopathy, the data showed exactly the opposite pattern. Employees who scored higher on psychopathic traits reported significantly lower psychological well-being on surveys. This negative relationship was also associated with emotional intelligence. Higher levels of psychopathy were found to be associated with significantly lower emotional skills, which in turn predicted a clear reduction in employees’ sense of purpose and personal growth.
This finding is strongly consistent with core features of psychopathy. People with this trait have difficulty understanding the emotions of those around them and often have difficulty controlling their own anger and impulsive moods. These serious emotional deficiencies can prevent people from forming long-lasting friendships and functioning well in supportive team environments. Over time, these social failures can undermine their overall sense of well-being.
The third trait, Machiavellianism, had a mild negative relationship with happiness in the initial data study. People who have a highly cynical worldview and expect the worst from others tend to have smaller social support networks. When other variables were taken into account, Machiavellianism no longer served as a statistically significant predictor of mental health. Emotional intelligence also did not play a significant role in linking this particular trait to overall happiness.
The researchers note that their study takes place in a non-Western, collectivistic culture that places high priority on group harmony and individual humility. In India, strict social expectations often shape emotional expression, adding a unique perspective to personality studies traditionally conducted in highly individualistic Western societies. The fact that a positive link between narcissism and happiness emerged in both cultural settings is an unexpected consistency. This suggests that some personality dynamics cross broad cultural boundaries.
Still, this study has some notable limitations. The data comes from only a self-reported survey in a single district in India, meaning the findings may not apply to different populations or entirely different occupations. Because the study is also a snapshot in time, the researchers cannot confidently examine which variables ultimately change the others.
Personality and emotional intelligence only explain about a quarter of the difference in happiness among employees. This means that mental health is a very multifaceted concept. Many other work-related factors can impact an employee’s daily life, such as intense workplace stress, personal resilience, and specific physical job demands.
Future research could focus on behavioral observations from peers to avoid the bias of self-report surveys. This research method could ultimately help companies design better support systems for their employees. By tailoring emotional skills training to different personality profiles, workplaces have the potential to improve both employee mental health and team dynamics over the long term.
The study, “Dark Triad and Psychological Well-Being: The Mediating Role of Emotional Intelligence,” was authored by Sulakshana Khatoniyar and Indranee Phookan Borooah.

