Reliable Change Index
The Reliable Change Index (RCI) is a statistic that tells whether the change in an individual client's score on a measure, from before to after an intervention, is large enough that it is unlikely to be an artifact of the instrument's measurement error. Introduced by Neil Jacobson and Paula Truax in 1991 as one half of their two-part definition of clinically significant change, it converts a pre-post difference into a standardized value and compares it against a critical cutoff, typically 1.96, so that practitioners and researchers can classify each client as reliably improved, unchanged, or reliably deteriorated.
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Източници
- Jacobson, N. S., & Truax, P. (1991). Clinical significance: A statistical approach to defining meaningful change in psychotherapy research. Journal of Consulting and Clinical Psychology, 59(1), 12–19. DOI: 10.1037/0022-006X.59.1.12 ↗
- Christensen, L., & Mendoza, J. L. (1986). A method of assessing change in a single subject: An alteration of the RC index. Behavior Therapy, 17(3), 305–308. DOI: 10.1016/S0005-7894(86)80060-0 ↗
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ScholarGate. (2026, June 22). Reliable Change Index for Individual Outcome Evaluation. ScholarGate. https://scholargate.app/bg/social-work/reliable-change-index
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- Clinical Significance AnalysisSocial Work↔ сравняване
- Routine Outcome MonitoringSocial Work↔ сравняване
- Single-System DesignSocial Work↔ сравняване
- Standardized Clinical CutoffSocial Work↔ сравняване
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