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Table 4 Divergent and convergent validity of the FIOS

From: Psychometric evaluation of the Forensic Inpatient Observation Scale (FIOS) in youngsters with a judicial measure

FIOS
    N of patients Self-care Social Behavior Oppositional Behavior Verbal Skills Distress
YSR/ASR Internalizing Low 10 23.0 (4.8) 19.3 (3.7) 13.5 (3.6) 13.6 (1.6) 7.1 (2.2)
   Medium 47 22.2 (4.9) 20.3 (4.1) 14.0 (4.1) 14.7 (2.0) 7.4 (2.0)
   High 39 22.3 (4.9) 20.0 (4.1) 14.7 (3.9) 14.7 (2.0) 8.8 (2.3)
   F-test   0.110 0.256 0.469 1.347 5.449**
  Externalizing Low 8 23.6 (5.4) 18.4 (4.6) 12.3 (2.1) 14.9 (2.6) 7.0 (1.6)
   Medium 35 22.7 (5.2) 20.8 (4.3) 13.9 (3.8) 14.7 (2.0) 7.5 (1.8)
   High 53 21.8 (4.5) 19.8 (3.8) 14.7 (4.2) 14.5 (1.9) 8.4 (2.5)
   F-test   0.677 1.353 1.569 0.241 2.724
TRF Internalizing Low 4 21.3 (3.8) 19.0 (3.5) 13.5 (1.9) 15.5 (2.4) 7.8 (1.3)
   Medium 38 22.6 (4.9) 20.0 (4.4) 14.5 (4.3) 14.1 (2.1) 8.0 (2.1)
   High 68 22.2 (5.2) 19.9 (4.1) 14.3 (3.7) 14.5 (2.0) 7.9 (2.4)
   F-test   0.173 0.109 0.145 1.193 0.046
  Externalizing Low 4 24.0 (2.2) 17.5 (1.3) 11.3 (1.7) 14.3 (2.5) 7.8 (1.9)
   Medium 32 22.5 (5.0) 18.4 (3.7) 13.8 (3.6) 14.9 (2.0) 7.8 (2.2)
   High 74 22.2 (5.1) 20.7 (4.2) 14.7 (4.0) 14.2 (2.0) 8.0 (2.3)
   F-test   0.263 4.290* 1.990 1.438 0.042
  1. Note: * p < .05;** p < .01 For each FIOS scale, means and s.d. (in brackets) are presented for the three groups of the YSR/ASR and TRF.