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Table 5 Effect sizes (Cohen’s d) of the Chinese version of SIRS-2 scales among the participant groups

From: Detection of malingering: psychometric evaluation of the Chinese version of the structured interview of reported symptoms-2

  Honest inpatients vs. simulated students Simulated students vs. honest students Forensic malingering vs.forensic honest SIRS-2 validation values (from Manual)
Primary scales
RS 1.62 2.16 1.91 2.04
SC 1.88 1.57 1.69 1.75
I A 1.06 1.78 1.44 1.80
BL 2.04 2.11 2.09 2.49
SU 1.83 1.38 1.55 2.12
SEL 2.14 2.06 2.10 2.37
SEV 2.15 1.62 1.82 1.95
RO 1.78 1.65 1.70 2.12
Supplementary scales
DA 1.12 1.37 1.27 2.08
DS 0.88 0.44 0.62 NA
IF 0.48 0.32 0.39 NA
OS 1.00 1.03 1.02 NA
INC 1.06 1.00 1.03 NA
  1. Note. For Primary Scales, RS = Rare Symptoms, SC = Symptom Combinations, IA = Improbable or Absurd Symptoms, BL = Blatant Symptoms, SU = Subtle Symptoms, SEL = Selectivity of Symptoms, SEV = Severity of Symptoms, RO = Reported versus Observed Symptoms. For Supplementary Scales, DA = Direct Appraisal of Honesty, DS = Defensive Symptoms. IF = Improbable Failure (IF). OS = Overly Specified Symptoms. INC = Inconsistency of Symptoms.