We investigated the putative redundancy of the Dark Tetrad (specifically, Machiavellianism-psychopathy and sadism-psychopathy) through an examination of the differences between correlations with self-reported narrowband personality traits. In addition to measures of the Dark Tetrad, participants in four studies completed measures of various narrowband traits assessing general personality, aggression, impulsivity, Mimicry Deception Theory, and Reinforcement Sensitivity Theory. Results generally supported empirical distinctions between Machiavellianism and psychopathy, and between sadism and psychopathy. Machiavellianism significantly differed from psychopathy across correlations for nine of 10 traits (Study 1), 8 of 25 facets (Study 2), aggression (Study 3), 12 of 25 facets (Study 3), four of five facets (Study 4), impulsivity (Study 4), and five of six facets (Study 4). Sadism significantly differed from psychopathy across correlations with five of 10 traits (Study 1), eight of 25 facets (Study 2), reactive aggression (Study 3), 10 of 25 facets (Study 3), three of six facets (Study 4), impulsivity (Study 4), and three of six facets (Study 4). Our findings challenge the claims that Machiavellianism and psychopathy, as well as sadism and psychopathy, as currently measured, are redundant.

UNASSIGNED: The purpose of this study was to obtain information about the sexual behaviors, sexual functioning of \"bondage-discipline, dominance-submission, sadism, masochism\" (BDSM) practitioners.
UNASSIGNED: The study group (n=141) consisted of 65 women and 76 men who defined themselves as BDSM practitioners included in the study with the snowball technique through websites that are accessible on online BDSM groups. A control group (n=167) who stated that they were not BDSM practitioners was also recruited through websites. Sociodemographic and Sexual Behavior Evaluation Form and Arizona Sexual Experience Scale (ASEX) were used online to gather data.
UNASSIGNED: No significant difference was found between BDSM practitioners and controls with regard to ASEX scores. Yet, in women, the mean ASEX score was lower in BDSM practitioners than in the control group whereas in men, the mean ASEX score was higher in the BDSM practitioners.
UNASSIGNED: Gender might be an important factor in terms of sexual functioning in cisgender BDSM practitioners. Awareness on problems of this sexual minority should be increased.

Bondage/discipline, Dominance/submission, and Sadism/Masochism (BDSM) have gained increased attention and discussion in recent years. This prevalence is accompanied by a shift in perceptions of BDSM, including the declassification of sadomasochism as a paraphilic disorder. Evolutionary psychology offers a unique perspective of why some individuals are interested in BDSM and why some prefer certain elements of BDSM over others (e.g., dominance versus submission). In this paper, we examine BDSM from an evolutionary standpoint, examining biopsychosocial factors that underlie the BDSM interests and practice. We articulate this perspective via an exploration of: proximate processes, such as the role of childhood experiences, sexual conditioning, and physiological factors; as well as ultimate explanations for power play and pain play dimensions of BDSM, highlighting the potential adaptive advantages of each. While BDSM may not be adaptive in itself, we examine the literature of sex differences in BDSM role preferences and argue that these preferences may stem from the extreme forms of behaviors which enhance reproductive success. In the realm of pain play, we explore the intersection of pain and pleasure from both physiological and psychological perspectives, highlighting the crucial role of psychological and play partner factors in modulating the experience of pain. Finally, we encourage future research in social sciences to utilize evolutionary frameworks to further explore the subject and help alleviate the mystification surrounding BDSM. This multifaceted exploration of BDSM provides valuable insights for clinicians, kink-identified individuals, and scholars seeking to understand the evolutionary perspectives of human sexual behavior and preferences.

Maladaptive personality traits, such as \'dark personalities\' are found to result in a diverse set of negative outcomes, including paraphilic interests and associated (illegal) behaviors. It is however unclear how these are exactly related, and if related, if then only those individuals higher on dark personality traits and higher impulsivity engage in paraphilic behaviors. In the current study, 50 participants were recruited to investigate the relationship between Dark Tetrad personality traits (i.e., narcissism, psychopathy, Machiavellianism and everyday sadism), paraphilic interests (arousal and behavior) and the moderating role of impulsivity. Personality and paraphilic interests were investigated through self-report questionnaires. Impulsivity was measured both through self-reported dysfunctional impulsivity and the P3 event related potential using electroencephalography during the Go/No-Go task (i.e. response inhibition). The results showed that there was a positive association between psychopathy, sadism and paraphilic interests. Whereas everyday sadism was associated with paraphilic (self-reported) arousal, psychopathy was associated with paraphilic behavior. Although P3 amplitude was not associated with paraphilic interests, self-reported dysfunctional impulsivity was associated with paraphilic behavior specifically. However, there was no moderating role of dysfunctional impulsivity and response inhibition (P3) in the relationship between psychopathy and paraphilic behavior. Findings indicate that the relation between specific dark personalities and paraphilic interests may be more complex than initially thought. Nevertheless, risk assessment and intervention approaches for paraphilia and related behavior both may benefit from incorporating Dark Tetrad and impulsivity measurements.

OBJECTIVE: Sadistic pleasure - gratuitous enjoyment from inflicting pain on others - has devastating interpersonal and societal consequences. The current knowledge on non-sexual, everyday sadism - a trait that resides within the general population - is scarce. The present study therefore focussed on personality correlates of sadistic pleasure. It investigated the relationship between the Dark Triad traits, and both dispositional and state-level sadistic pleasure.
METHODS: N = 120 participants filled out questionnaires to assess their level of Dark Triad traits, psychopathy subfactors, and dispositional sadism. Then, participants engaged in an animal-directed task in which they were led to believe that they were killing bugs; and in a human-directed task where they could ostensibly noise blasts another participant. The two behavioral tasks were administered within-subjects, in randomized order. Sadistic pleasure was captured by increases in reported pleasure from pre-to post-task.
RESULTS: All Dark Triad traits related to increased dispositional sadism, with psychopathy showing the strongest link. The coldheartedness psychopathy subscale showed a unique combination with both self-reported sadism and increased pleasure following bug grinding.
CONCLUSIONS: Predominantly female and student sample, limiting generalizability of findings.
CONCLUSIONS: Out of all Dark Triad components, psychopathy showed the strongest link with gaining pleasure from hurting others. The results underscore the differential predictive value of psychopathy\'s subcomponents for sadistic pleasure. Coldheartedness can be considered especially disturbing because of its unique relationship to deriving joy from irreversible harm-infliction (i.e. killing bugs). Our findings further establish psychopathy - and especially its coldheartedness component - as the most adverse Dark Triad trait.

The nosology for criminals who murder multiple victims is at once well-established and controversial, perhaps because theorists have largely segregated such offenders from the broader criminal population. The current study introduces the superhomicide offender, an individual convicted of at least five murders, to locate multiple homicide offenders within the criminological and epidemiological science pertaining to the most pathological offenders, and statistically place them with other conceptualizations of severe offenders at the 95th percentile of the offending distribution. Relative to other capital murderers, superhomicide offenders have lengthier criminal history, greater conviction history, and coextensive psychopathology characterized by psychopathy, sexual sadism, homicidal ideation, cluster A and B personality disorders, and major depressive disorder. Superhomicide offenders are profoundly psychopathic with 20 of the 39 offenders reaching the clinical threshold of 30 or more on the PCL-R, and 19 of the 39 are sexually sadistic. Regarding extant typologies of sexual and multiple homicide offenders, 15 are serial murderers, 17 are sexual homicide offenders, 17 are mass murderers, and 17 are spree murderers. Twenty-four of the 39 superhomicide offenders (61.5%) met criteria for multiple typologies, suggesting the new prototype can help unify the study of those who perpetrate multicide and embed them within criminological and epidemiological models that specify pathological antisocial outcomes.

The Short Dark Tetrad (SD4) is a recently developed instrument for assessing the \"dark\" personality traits of psychopathy, narcissism, Machiavellianism, and sadism. We aimed to examine the SD4\'s psychometric properties, adapting it into Spanish and exploring its structure, gender invariance, reliability, concurrent validity, and nomological network.
A sample of 668 adults (Mage = 26.36, SD = 10.64, 69.2% females) completed the SD4 and other self-report questionnaires.
The results demonstrated sound indices of reliability and concurrent validity, an adequate four-factor structure, and support for gender invariance. Furthermore, most of the findings about the nomological network were in line with prior hypotheses: All four SD4 scales were associated with low levels of agreeableness and antagonism; psychopathy was also related to low conscientiousness, disinhibition and impulse-control problems; narcissism was positively associated with extraversion and negatively associated with internalizing symptoms; Machiavellianism was uncorrelated with impulsivity-related problems, which made it distinct from the psychopathy profile; finally, sadism showed a similar pattern of associations to psychopathy, albeit less strongly linked to impulsivity problems and externalizing behavior.
Overall, the SD4 presents sound psychometric properties, although the overlap between psychopathy and sadism warrants some caution.

Although most people have heard the terms \'souvenirs\', \'trophies\', and \'mementos\', discussed in books and movies on the true crimes of sexual murderers, limited research has delved into the phenomenon of theft in sexual homicide (SH). Using a sample of 762 SH cases coming from the Sexual Homicide International Database, the current study examines the crime-commission process of the pre-crime, crime, and post-crime phases of sexual homicide offenders (SHOs) who engaged in theft during a SH. Additionally, this study seeks to determine if a specific type of SHO engages in this behaviour over others. Results from the sequential logistic regression indicate that victims who are 16 years or older, were strangers to the SHO, and were sex workers were more likely to be victims of theft. Additionally, results indicate that the presence of sadism made it more likely the SHO would engage in theft from the victim and/or crime scene. Findings suggest there is a group of SHOs who engage in theft not for monetary purposes but due to the paraphilia of the offender. These findings can inform the police investigation of these crimes.

In this theoretical paper the authors explore the connections between BDSM (i.e., practices involving bondage, discipline, dominance, submission, sadism, masochism) and CSA (childhood sexual abuse) in order to investigate the potential unconscious mechanisms at play and the therapeutic functions of BDSM practices among CSA victims. Drawing on the embodiment framework, the authors address how BDSM may serve as a form of unconscious repetition of traumatic experiences for certain CSA victims, with the aim of processing trauma and healing. A review of the empirical evidence regarding the links between BDSM and CSA trauma, along with the potential of BDSM to trigger trauma and elicit dissociation, guilt, or shame, is conducted. Finally, BDSM practices are reviewed through the concept of trauma-play, which involves deliberate rescripting. In short, the complex relationship between BDSM and CSA is highlighted, as well as its implications for understanding and potentially addressing trauma experiences in therapy.

This study explored demographic, ideological, self-rating and personality traits correlates of the Dark Tetrad (DT4) which measures Narcissism (Special), Machiavellianism (Crafty), Psychopathy (Wild), and Sadism (Mean) traits. In total, 447 adults completed three tests: a bright-side, work-related, personality test (HPTI: High Performance Type Indicator), a dark-side test (Short Dark Tetrad) and a number of self-ratings. Correlations and regressions showed that all four dark traits were associated with low Adjustment (Neuroticism), but also with high Risk-Taking and Competitiveness (low Agreeableness). The various measures accounted for a third of the variance in explaining the Mean (Sadistic) score, and 40 % for Special (Narcissism). Trait Competitiveness was most closely associated with all four dark traits.