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Table 5 Inter-rater reliability between raters, based on Cohen’s Kappa and Gwet’s AC1

From: A comparison of Cohen’s Kappa and Gwet’s AC1 when calculating inter-rater reliability coefficients: a study conducted with personality disorder samples

  VU-MN US – SP TW-SR NW - SR
  Cohen’s Gwet’s Cohen’s Gwet’s Cohen’s Gwet’s Cohen’s Gwet’s
PDs Kappa AC1 Kappa AC1 Kappa AC1 Kappa AC1
Avoidant 1.000 1.000 1.000 1.000 1.000 1.000 0 .858
Dependent .640 .934 1.000 1.000 0 .890 1.000 1.000
Obsessive-Compulsive .883 .904 .714 .781 1.000 1.000 1.000 1.000
Passive-Aggressive 1.000 1.000 .636 .924 0 .890 .600 .820
Depressive .604 .857 .765 .915 1.000 1.000 1.000 1.000
Paranoid 1.000 1.000 1.000 1.000 0 .890 1.000 1.000
Schizotypal 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000
Schizoid .565 .752 1.000 1.000 .737 .840 .600 .820
Histrionic .641 .938 1.000 1.000 1.000 1.000 1.000 1.000
Narcissistic 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000
Borderline 1.000 1.000 1.000 1.000 .615 .866 1.000 1.000
Total Antisocial .441 .870 1.000 1.000 1.000 1.000 1.000 1.000