Content of the questionnaire
Target audienceAdults
ApplicationThe SCL-90-R is a 90-item self-report symptom inventory designed to reflect the psychological symptom patterns of community, medical and psychiatric respondents
CompositionEach item is rated on a 5 point scale of distress (0-4) ranging from “Not at All” to “Extremely”
ScoringThe SCL-90-R is scored and interpreted in term of nine primary symptom dimensions and three global indices of distress.
SubscalesThe primary symptom dimensions and global indices are labelled as follows:
• Somatization (SOM)
• Obsessive-Compulsive (O-C)
• Interpersonal Sensitivity (I-S)
• Depression (DEP)
• Anxiety (ANX)
• Hostility (HOS)
• Phobic Anxiety (PHOB)
• Paranoid Ideation (PAR)
• Psychoticism (PSY)
• Global Severity Index (GSI)
• Positive Symptom Distress Index (PSDI)
• Positive Symptom Total (PST)
Psychometric properties
GeneralThere has been a lot of research conducted on the SCL-90-R and has been proven to have good reliability and sensitivity.
NormgroupsThere are four norm groups for the SCL-90-R:
• adult psychiatric outpatient
• adult nonpatient
• adult psychiatric inpatient
• adolescent nonpatient (applicable to adolescents who are 13 to 19 year old).
Each of the four groups have separate norms for males and females.
Literature and copyright

Derogatis, L.R. (1977). SCL-90-R Symptom Checklist-90-R Administration, Scoring, and Procedures Manual. Bloomington: PsychCorp.

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