
Each item is scored on a 3-point scale: A rating of 2 indicates that the item definitely applies, 1 indicates that it applies to some extent, and 0 indicates that the symptom definitely does not apply to the individual.
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The PCL:YV manual provides a detailed item description and examples of sources of information to use when rating the item. The PCL:YV consists of 20 items that measure the interpersonal, affective, and behavioral dimensions considered to be fundamental to the construct of psychopathy. Future research and input from practitioners will play an integral role in clarifying and refining the construct, identifying the causal mechanisms, delineating the psychobiological correlates, and designing effective intervention programs. The PCL:YV was published in 2003 to provide researchers and clinical users with a common metric to assess psychopathic traits in adolescents and to encourage systematic research. It was adapted from the Hare Psychopathy Checklist-Revised, developed by Robert Hare, which is widely used in research, clinical, and forensic settings for the assessment of psychopathy in adults. The Hare Psychopathy Checklist: Youth Version (PCL:YV) is a structured assessment instrument designed to assess psychopathic traits and behaviors in adolescents. Many researchers and clinicians believe that psychopathic traits and behaviors are first manifested early in life, which has led to efforts to develop measures to identify psychopathic traits early in development. The construct of psychopathy as applied to children and adolescents has received increasing attention in recent years.
