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- Title
Broad Outcome Measures May Underestimate Effectiveness: An Instrument Comparison Study.
- Authors
Lee, William; Jones, Lynne; Goodman, Robert; Heyman, Isobel
- Abstract
Outcome measures are routinely used in child and adolescent mental health services to demonstrate the effectiveness or otherwise of interventions. We followed up a consecutive sample from a large teaching hospital's Obsessive Compulsive Disorder (OCD) service for young people, comparing improvements using instruments of differing broadness. The effect size of improvement decreased as the breadth of the questionnaire increased. Specialist clinics are recommended to use two questionnaires: a broad one to facilitate comparability with other clinics, and a narrow one to maximise power to detect significant changes.
- Subjects
HEALTH outcome assessment; OBSESSIVE-compulsive disorder; MENTAL health services; QUESTIONNAIRES; MENTAL health
- Publication
Child & Adolescent Mental Health, 2005, Vol 10, Issue 3, p143
- ISSN
1475-357X
- Publication type
Article
- DOI
10.1111/j.1475-3588.2005.00350.x