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Table 2 Internal consistencies for the sub-dimensions, dimensions and the total score of the Youth Psychopathic traits Inventory (YPI) and the dimensions and total score of the Antisocial Process Screening Device - self-report (APSD-SR) in 15- to 16-year-old boys (n = 174) and girls (n = 198) attending the 9th grade in 5 secondary schools in Finland

From: Self-reported psychopathic traits among non-referred Finnish adolescents: psychometric properties of the Youth Psychopathic traits Inventory and the Antisocial Process Screening Device

  Boys Girls
YPI Dishonest charm 0.81 0.82
YPI Grandiosity 0.78 0.82
YPI Lying 0.82 0.77
YPI Manipulation 0.86 0.80
YPI Remorselessness 0.83 0.79
YPI Unemotionality 0.65 0.65
YPI Callousness 0.41 0.43
YPI Thrill-seeking 0.80 0.78
YPI Impulsiveness 0.73 0.77
YPI Irresponsibility 0.74 0.68
YPI Interpersonal dimension 0.90 0.86
YPI Affective dimension 0.55 0.74
YPI Behavioral dimension 0.86 0.80
YPI Total score 0.91 0.89
APSD-SR Interpersonal dimension 0.78 0.74
APSD-SR Affective dimension 0.38 0.29
APSD-SR Behavioral dimension 0.68 0.68
APSD-SR Total score 0.78 0.79
  1. Cronbach’s alpha coefficients are reported. Indices below the recommended value for at least acceptable reliability are in boldface