New research sheds light on the relationship between “Dark Tetrad” personality traits and how individuals perceive and react to various emotional stimuli. The paper was published in the Scandinavian Journal of Psychology.
The study, conducted in Croatia, discovered that individuals with high levels of narcissism and low levels of sadism tend to assign more positive ratings to images designed to evoke positive emotions. In contrast, those with high levels of sadism gave more positive ratings to images meant to elicit negative emotions, albeit at a slower pace. Participants exhibiting high levels of Machiavellianism rated the images more quickly.
The Dark Tetrad refers to a group of four personality traits: narcissism, Machiavellianism, psychopathy, and sadism. These traits are characterized by qualities such as selfishness, manipulation, lack of empathy, and a tendency to enjoy causing harm to others. While each trait has its unique features, they all share a general disregard for the well-being of others. The concept of the Dark Tetrad is often used in psychological research to explore the dark aspects of human behavior and personality.
Of these traits, narcissism is characterized by an excessive focus on oneself, with a strong need for admiration and a lack of empathy for others. Machiavellianism involves manipulative and deceitful behavior aimed at advancing one’s own interests at the expense of others. Psychopathy is marked by a lack of remorse and empathy, coupled with impulsive and antisocial behavior. Sadism involves deriving pleasure from inflicting pain or suffering on others, often accompanied by a sense of power or dominance.
Study author Anja Wertag and her colleagues from the Ivo Pilar Institute of Social Sciences in Zagreb wanted to examine the relationship between the Dark Tetrad personality traits and the processing of positive and negative emotional pictures. Previous studies showed that individuals with pronounced Dark Tetrad traits, in line with their generally callous nature, tended to show reduced emotional reactivity and unusual responses towards stimuli.
For example, research showed that they tend to experience negative emotions when viewing positive and peaceful pictures and to experience positive emotions when viewing negative and violent ones.
In this study, the authors not only focused on emotional reactions but also on response times, that is, how quickly participants reacted to the images.
The study’s participants consisted of 144 students, 73% of whom were from a private college in Croatia. Their ages ranged from 19 to 33 years, with an average age of 22. Of these participants, 43% were male.
Participants were asked to rate images from the International Affective Picture System (IAPS), a collection of images known for their emotional evocation, commonly used in research. The images were categorized into three types: positive (designed to evoke positive emotions, such as sports and erotic scenes), negative (designed to evoke negative emotions, such as mutilation, self-threat, and threat to others), and neutral. The study primarily focused on images that were highly arousing, expected to invoke strong emotions.
Participants evaluated each image based on the emotions it elicited (valence) and the intensity of these emotions (arousal). The tablet used for rating also tracked their reaction times, measuring how long they took to assess each image. Additionally, participants completed evaluations to determine their Dark Tetrad personality traits (the Short Dark Triad and the Assessment of Sadistic Personality).
Results showed that individuals with more pronounced Machiavellianism tended to be somewhat faster in giving ratings to pictures. Those with more pronounced psychopathy tended to be faster in their responses to positive pictures. Individuals higher in narcissism tended to give more positive (valence) ratings to positive pictures (pictures designed to evoke positive emotions).
Participants with more pronounced sadism tended to give more positive ratings to negative pictures. Males tended to have slower reactions to negative pictures and to give them somewhat more positive ratings. The Dark Tetrad traits were not related to arousal ratings i.e., to how strong the emotions pictures evoked were.
“The Dark Tetrad was related only to valence, but not arousal ratings, and to response latency. More specifically, higher narcissism and lower sadism were associated with more positive ratings of positive pictures, and higher sadism was associated with more positive ratings of negative pictures. Higher Machiavellianism was generally associated with faster assessment of emotional stimuli, while higher sadism was associated with slower assessment of negative pictures’ valence,” the study authors concluded.
The study contributes to the scientific understanding of the links between the Dark Tetrad traits and emotional reactivity. However, it should be noted that the study was conducted on students, a group where one would typically not expect particularly strong Dark Tetrad personality traits. Studies on other demographic groups might not yield equal results.
The paper, “A look through dark-colored glasses: The Dark Tetrad and affective processing,” was authored by Anja Wertag, Majka Ribar, and Ines Sučić.
