Automatic Aggression of Future Sports Coaches is Influenced by the Presence of Nevi—An Exploratory Study

The landscape of aggression in sports psychology has traditionally focused on overt displays and situational triggers. However, emerging research is shedding light on less obvious, body-related factors that might influence automatic, or implicit, aggressive tendencies. A recent exploratory study has investigated a potentially surprising link: the presence and visibility of moles, or nevi, on the skin of future sports coaches and their correlation with subconscious aggressive associations. The findings suggest that physical characteristics, often considered purely aesthetic or medical, may play a role in shaping the automatic cognitive processes related to aggression in individuals preparing for roles of authority and interpersonal guidance.

Unveiling the Link: Moles and Implicit Aggression

The research, published in Frontiers in Psychology, explored whether future sports coaches with visible nevi, specifically concerning their size and number, exhibit different patterns of automatic aggression. Automatic aggression, measured through techniques like the Implicit Association Test (IAT), refers to unconscious associations that individuals may hold, which can influence behavior even without conscious intent. This contrasts with explicit aggression, which is typically measured through self-report questionnaires where individuals are aware of their responses.

The study involved 89 male participants, all in their early twenties and pursuing degrees to become certified sports coaches. These individuals were being trained for sports involving direct physical contact, such as soccer, martial arts, handball, and basketball, underscoring the demanding interpersonal and potentially confrontational nature of their future careers.

Methodology: Decoding Unconscious Associations

To assess automatic aggression, researchers employed the Implicit Association Test (IAT). This widely recognized psychological tool measures the strength of associations between concepts by analyzing reaction times. Participants were tasked with categorizing words related to aggression (e.g., "threat," "insult," "hit," "beat," "swear") and non-aggression (e.g., "respect," "fairness," "encouragement," "fair play," "discipline") alongside self-related terms ("I," "mine," "me") and other-related terms ("theirs," "them," "they"). Faster reaction times when pairing aggressive words with "Others" compared to "Self" indicate a stronger implicit association between aggression and other people, rather than with oneself.

In addition to the IAT, participants provided self-reported data on the presence, number, and size of nevi on various body regions, including the face, trunk, and limbs. The data collection occurred over two academic years, utilizing an online questionnaire for socio-demographic and nevus-related information, and a dedicated computer-based platform for the IAT.

Key Findings: Visible Moles, Subtle Aggression

The analysis revealed statistically significant differences in automatic aggression based on nevus visibility. Notably, future coaches with larger facial nevi and a greater number of nevi on their upper and lower limbs demonstrated stronger implicit associations between aggression and "Others."

Specifically, analysis of variance (ANOVA) indicated that the size of facial nevi had a significant impact on automatic aggression levels (p = 0.017). Post-hoc Tukey tests further elucidated this finding, showing that participants with facial nevi between 5 and 10 mm, and those with nevi smaller than 5 mm, exhibited higher levels of automatic aggression compared to those who reported no facial nevi. The mean IAT scores, reflecting automatic aggression, increased progressively with nevus size.

Similarly, the number of nevi on the upper and lower limbs also showed a significant association with automatic aggression (p = 0.008). Post-hoc analyses revealed that individuals with one to two nevi, and those with three to five nevi on their limbs, displayed significantly higher levels of automatic aggression than those with no nevi in these areas. The effect sizes in these comparisons ranged from moderate to strong, suggesting a meaningful relationship.

Intriguingly, the study found no significant differences in automatic aggression based on the number of facial nevi, the size of nevi on limbs, or the presence and size of nevi on the trunk. This suggests that the location and visual prominence of nevi, particularly on the face and limbs, may be more influential than their sheer quantity or presence on less visible body parts.

Predictive Power: Nevi as Potential Indicators

Further analysis using binomial logistic regression explored whether nevus characteristics could predict implicit aggression. The models indicated that both the size of facial nevi and the number of nevi on the upper and lower limbs were significant predictors of automatic aggression.

Specifically, larger facial nevi (between 5 and 10 mm) were associated with an increased likelihood of automatic aggression, specifically the tendency to associate aggression with "Others." Likewise, a greater number of nevi on the limbs (generally between 3 and 5) also predicted a higher likelihood of automatic aggression, again leaning towards associations with "Others." While the predictive power of these models was characterized as moderate to weak, their statistical significance underscores the potential role of these physical markers.

The study reported that the overall percentage of correctly classified cases was 65.2% for facial nevi and 69.1% for limb nevi, suggesting a modest but present predictive capability. The Nagelkerke R-squared values, indicating effect size, were 0.068 for facial nevi and 0.104 for limb nevi, further confirming a moderate to weak, yet statistically relevant, relationship.

Contextualizing the Findings: Psychosocial Dermatology in Sports

The study’s conclusions are grounded in established psychological theories, particularly the Cognitive Neo-Association Theory. This theory posits that negative affect, potentially triggered by social-evaluative threats or discomfort associated with visible differences, can activate aggression-related thought networks. In the context of sports coaching, where individuals are constantly under scrutiny, visible nevi might serve as subtle cues that contribute to chronic stress or anticipation of negative social reactions, thereby priming implicit aggression.

Researchers noted that future coaches with larger facial nevi and more numerous nevi on their limbs may subconsciously perceive others as more aggressive or dangerous. This could stem from an internalized fear of criticism related to their appearance, particularly in a profession that emphasizes authority, presence, and interpersonal confidence. The findings align with previous research linking visible skin conditions to psychological burdens, including heightened stress and diminished self-esteem. For instance, a prior study on future teachers found that larger facial nevi were associated with increased intrapsychic stress.

Implications for Coach Development and Sports Psychology

The findings carry significant implications for the professional development of sports coaches and the practice of sports psychology. The study suggests that visible physical characteristics, such as nevi, may be more than just dermatological concerns; they could be linked to subtle psychological processes that influence how future coaches unconsciously perceive and interact with others.

This research could inform the development of targeted support strategies for individuals entering the sports coaching profession. Understanding these potential links could help sports psychologists and educators provide early-career coaches with tools to manage stress, build resilience, and develop effective self-presentation strategies, particularly when navigating the pressures of public visibility and professional evaluation. The study emphasizes that while these associations were moderate, they offer valuable insights for personal and professional growth within the sports domain.

Limitations and Future Directions

The researchers acknowledge several limitations in their study. The sample comprised exclusively male, young university students, limiting the generalizability of findings to broader age groups, genders, and professional experiences. Future research should include diverse demographics and career stages. The self-reported nature of nevus data is another limitation, and future studies could benefit from direct dermatological assessments.

Furthermore, the study’s reliance on a specific set of words for the IAT might yield different results in other cultural contexts. Exploring alternative measures of automatic aggression and investigating potential mediating mechanisms, such as self-consciousness or perceived stigma, would also enrich future research. Longitudinal studies are recommended to better understand the temporal relationship between nevus presence and the development of automatic aggression.

Conclusion: A New Perspective on Aggression in Sport

In conclusion, this exploratory study offers preliminary evidence suggesting a link between the presence of nevi on visible body areas and automatic aggression in future sports coaches. Larger facial nevi and a greater number of nevi on the limbs were associated with stronger implicit associations between aggression and "Others." While these findings are preliminary and require further investigation, they underscore the potential influence of physical appearance-related markers on unconscious cognitive processes relevant to professions demanding high levels of interpersonal interaction and emotional regulation. This research contributes to a more nuanced understanding of aggression in sports, highlighting the importance of considering both explicit and implicit psychological factors, as well as often-overlooked physical characteristics, in the development of effective sports professionals.