In this longitudinal study, we investigated the factor structure and stability of early-life temperament in a German sample, using three measures developed within Rothbart's psychobiological approach. Temperament was measured using the Infant Behavior Questionnaire Revised (IBQ-R) at the ages of 6 and 12 months, the Early Childhood Behavior…

The dark core of personality is a recent construct that encompasses the malevolent, antagonistic, and aversive side of human nature that represents the common inner core of dark personality traits. The aim of the present study is to develop a short, multidimensional, and invariant version of the dark core of personality D70 measure. Two samples of…

The purpose of this research is to examine the psychological resilience levels of adult individuals in terms of demographic characteristics and enneagram personality types. The findings may help experts working in the field and contribute to the literature. The study is an original study that has not been researched before. Participants consisted…

Studies have shown that socially prescribed perfectionism (SPP) is a critical predictor of depression. However, few studies have explored the mechanisms underlying the effects of SPP on depression in Chinese adolescents. Accordingly, the current study aims to explore the relationship between SPP and depression among Chinese adolescents, including…

The current study examines change and stability of cognitive skills across life stages and delves into the factors contributing to changes in cognitive skills. Specifically, we examine the associations between cognitive skills and individual characteristics and contextual factors in a large sample of German adults aged 16-65 years (N = 2,430;…

The role of sport as a contributor to sustainable development and human rights is well established. However, evidence on sports professionals' understanding of its contribution and their readiness to maximize its impact in this field is insufficient. This study aimed to ascertain sports practitioners' understanding and application of human rights…

This retrospective study examines involvement in school bullying at all developmental stages, from elementary school to university, in relation to personality traits. Participants were 216 university students, 162 (75.0%) females and 54 (25.0%) males. The majority of the sample (88.9%) aged 18-24. Students completed the International Personality…

The Multidimensional Personality Questionnaire (MPQ) measures a wide range of personality traits associated with affect and temperament. However, the lengthy administration time may have hindered its widespread use in personality research. The National Survey of Midlife Development in the United States (MIDUS) has adapted a short version of the…

The increasing prevalence of children's attention-deficit hyperactivity disorder (ADHD) and internalizing behaviors requires investigation into putative risk factors. This longitudinal project of 105 preschoolers (54.3% girls; 90% White) examined influences of early life experiences (perinatal stressors, home environment, maternal personality) and…

Objective: To explore the relation between procrastination and physical activity in college students and test whether grit mediated, age and gender moderated the process. Participants: 610 college students (aged 20.07 ± 1.53; 45.2% males) in Shanghai. Methods: Procrastination, grit and physical activity were tested respectively by International…

Background: Friendship quality is crucial for psychological well-being, yet is often lower in persons with intellectual disabilities compared to their peers. This study explores the predictors of friendship quality among adults with mild intellectual disability, focusing on age, gender, living setting, psychiatric traits, and social cognition.…

Data from 83,423 parent reports of temperament (surgency, negative affectivity, and regulatory capacity) in infants, toddlers, and children from 341 samples gathered in 59 countries were used to investigate the relations among culture, gender, and temperament. Between-nation differences in temperament were larger than those obtained in similar…

This study explored the relationship between personality traits and academic achievement in a diverse sample of undergraduate students at a minority-serving institution. Utilizing the self-regulated learning framework, we examined how conscientiousness, procrastination, and two dimensions of perfectionism (personal standards and evaluative…

Understanding the potential relationships between musicians' different primary personality traits, ages, and their music preferences could be relevant in music teaching and learning. We surveyed participants (N = 362) from four groups: middle school orchestra students, high school orchestra students, collegiate orchestra students, and in-service…

While recent research has extensively explored the potential use of Virtual Reality (VR) in educational contexts, limited knowledge exists regarding teachers' willingness to further their understanding of VR and its applications in education. Therefore, this study aims to investigate how various demographic factors and attitudes toward VR…