The present study was designed with the purpose of contributing to the existing scientific literature about the presence of Dark Tetrad personality traits--Machiavellianism, psychopathy, narcissism, and sadism--in aggressors and victims of school bullying, also taking into account the possible gender differences in both roles. The results,…

Purpose: In the knowledge management (KM) literature, there are umpteen discussions on knowledge sharing; however, the scholarly community still faces a dearth of literature on knowledge hiding behavior (KHB) and its determinants. The current study aims to examine the direct effect of dark triad (DT) personality dimensions (machiavellianism,…

This paper examines the educational thought of Martianus Capella, a fifth-century Carthaginian writer, through his only surviving work "The Marriage of Mercury and Philology." The didactic handbook is an ode to learning, adorning a faltering introduction to the liberal arts with baroque mythological ornamentation. The paper highlights…

In the current study, we used latent profile analysis to investigate the Dimensional Clinical Personality Inventory 2 capacity to discriminate psychopathy traits in a sample of adults. Participants were 628 adults from the general population recruited by convenience. Our latent profile analysis recovered two groups: Psychopathic Tendencies and…

This study explores the associations among narcissistic traits, emotion regulation strategies, and peer problems among adolescents. Specifically, it examines whether cognitive reappraisal and expressive suppression moderate the relationship between narcissistic traits and peer problems. In total 2207 individuals (1165, 52.8% females), aged between…

Parental attachment promotes moral maturity in adolescents by improving empathy. Narcissism, one of the three dark personalities, affects both empathy and moral development. However, little is known about how narcissism moderates the influence of parental attachment on moral development in adolescents. A total of 1,574 Chinese middle school…

Friendships are important for the mental well-being of emerging adults. Socially prescribed perfectionism, where individuals feel pressured to be perfect by others, can be destructive, leading to conflict with others, depressive symptoms, and problematic drinking. However, its impact on friendships is not well-explored. This study examined 174…

This research comprised two studies to examine the psychometric properties of the Generalised Problematic Internet Use Scale-2 (GPIUS-2) and investigate personality profiles of problematic internet use (PIU) in the context of social media from an Adlerian theory perspective. In Study 1 (N = 320), exploratory factor analysis was conducted and four…

Perfectionism is a multidimensional personality trait with two higher-order dimensions; perfectionistic strivings and perfectionistic concerns. The purpose of the present study was to explore and evaluate the two-factor model for the first time using three instruments developed to measure perfectionism in sport. In doing so, we (i) assessed the…

Objectives: Non-adherence to medication is common in the adult ADHD clinical group. The goal of this pre-registered study was to examine whether the DSM-5 Alternative Model of Personality Disorder (AMPD), generality personality dysfunction (LPFS-BF 2.0) or maladaptive personality traits (PID-5), can predict time to premature discontinuation of…

In the current article, we describe the development and validation of the Social Comparison Rumination Scale. This measured was developed as a supplement to existing social comparison measures and to enable us to determine its potential relevance to perfectionism and other personality constructs. The Social Comparison Rumination Scale (SCRS) is a…

Background: There is growing interest in research understanding the individual-specific predictors of child callous-unemotional (CU) traits, particularly in early childhood. Objective: This study reviewed evidence from studies that investigated the relationship between early child temperament factors (between 0 and 3 years) and CU traits in…

This study examined the link between academic majors and Dark Triad personality traits in 2,387 Greek university students. Utilizing Bifactor Exploratory Structural Equation Modeling, we identified a general dark factor (D-factor) and three specific traits. Latent Profile Analysis revealed four personality clusters: self-centric personalities,…

The current study uniquely examines mattering and narcissism and reflects our contention that pathological narcissism involves an excessive need to matter and a hypersensitivity to being devalued and not mattering to other people. Specifically, we evaluated the proposed association between pathological narcissism and deficits in mattering by…

The current study aimed to develop, and examine the psychometric properties of, an Arabized Jordanian version of the Big Three Perfectionism Scale (BTPS) which consists of 45 items distributed on 10 first-order factors ("facets") and three higher-order factors (i.e., rigid perfectionism, self-critical perfectionism, and narcissistic…