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Table 10 Discrimination of the PANSS Items for General Psychopathology Subscale

From: Use of NON-PARAMETRIC Item Response Theory to develop a shortened version of the Positive and Negative Syndrome Scale (PANSS)

Criterion 1 2 3 4 5 Rating
G1.Somatic Concern 4 (No) No Somewhat No No Weak
G2.Anxiety 5 (Yes) No Somewhat No Yes Weak
G3.Guilt Feelings 4 (No) No No No No Weak
G4.Tension 6 (Yes) Yes Yes Yes Yes Very Good
G5.Mannerisms/Posturing 4 (No) Somewhat No No No Weak
G6.Depression 5 (Yes) Yes Yes Yes Yes Very Good
G7.Motor Retardation 5 (Yes) Yes Yes No No Good
G8.Uncooperative 5 (Yes) Yes Yes Yes Yes Very Good
G9.Unusual Thought Content 6 (Yes) Yes Yes Yes Yes Very Good
G10.Disorientation 4 (No) Somewhat No Yes No Weak
G11.Poor Attention 4 (No) No Somewhat No No Weak
G12.Lack of Judgment 4 (No) No No Yes No Weak
G13.Disturbance Volition 5 (Yes) Yes Yes Yes Yes Very Good
G14.Poor Impulse control 6 (Yes) Yes Somewhat Yes Yes Very Good
G15.Preoccupation 4 (No) No No Yes No Weak
G16. Social Avoidance 4 No No No No Weak
  1. Note. Ratings are based on the operation criteria for item selection presented in Table 3.