YPI	Youth Psychopathic Traits Inventory
DSM-5	Diagnostic and Statistical Manual of Mental Disorders 5th edition
APA	American Psychiatric Association
APSD-SR	Antisocial Process Screening Device – Self Report
ICU	Inventory of Callous-Unemotional Traits
RPQ	Reactive-Proactive Aggression Questionnaire
SAS-A	Social Anxiety Scale for Adolescents
BES	Basic Empathy Scale
CD	Conduct Disorder
CFA	Confirmatory factor analysis
CFI	Comparative fit index
IFI	Incremental fit index
RMSEA	Root mean square error of approximation