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Clinical Outcomes in Routine Evaluation - Outcome Measure (CORE-OM)
Psychology: Mental HealthReliability: alpha 0.943 sample items
About this scale
A 34-item generic measure of psychological distress across four domains: well-being, problems/symptoms, life functioning, and risk. Used widely in UK psychotherapy services.
Sample item(s)
“I have felt tense, anxious, or nervous (problems)”
“I have felt able to cope when things go wrong (well-being, reverse)”
“I have made plans to end my life (risk)”
Reliability
Reported internal consistency: alpha 0.94. As a rule of thumb, Cronbach’s α ≥ .70 is considered acceptable, ≥ .80 good, and ≥ .90 excellent for established measures.
Notes
Free for academic use.
Source & citation
Evans, C., Connell, J., Barkham, M., Margison, F., McGrath, G., Mellor-Clark, J., & Audin, K. (2002): Towards a standardised brief outcome measure: Psychometric properties and utility of the CORE-OM. British Journal of Psychiatry, Vol. 180, No. 1, pp. 51–60.
Source. Scale details are summarised from the publication cited above. Always consult the original source for the full item set, scoring, and permission to use.
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