Few studies have examined the etiology of psychopathic traits in youth, and even fewer
have tested whether the genetic and environmental influences underlying these traits differ …

Background: Psychopaths are not only antisocial, but also have a callous and unemotional
personality profile. This article selectively reviews evidence that psychopathic personality …

This study presents evidence on the reliability and construct validity of the Dutch version of
the Youth Psychopathic traits Inventory (YPI), a self-report instrument for psychopathic traits …

BackgroundPsychopathic traits involve interpersonal manipulation, callous affect, erratic
lifestyle, and antisocial behavior. Though adult psychopathic traits emerge from both genetic …

Understanding the development of psychopathic personality from childhood to adulthood is
crucial for understanding the development and stability of severe and long-lasting conduct …

A body of research has examined the potential causes of psychopathy and psychopathic
personality traits. What is surprisingly missing from these studies is an effort to estimate …

Psychopathic personality traits have consistently been found to predict a range of negative
and dysfunctional outcomes. As a result, it is somewhat surprising that the research to date …

Although a great deal of empirical research has examined the association between
psychopathic personality traits and antisocial phenotypes, comparatively less empirical …

Psychopathy is a disorder that occurs primarily in males. Offenders with psychopathic traits
are responsible for a disproportionate amount of crime in society, particularly violent crime …

The present study examined the directions of effects between adolescent psychopathic traits
and parental behaviors. The data are from a community-based cohort-sequential study. Data …