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Some essential adaptations to the method for determining clinically significant change originally introduced by Jacobson, Follette and Revenstorf [Jacobson, N. S., Follette, W. C. & Revenstorf, D. (1984a). Psychotherapy outcome research: methods for reporting variability and evaluating clinical significance. Behavior Therapy, 15, 336-352.] are presented.(More)
The development of methods for demonstrating clinical (in addition to statistical) significance has been referred to as one of the major advances in outcome research. In a recent article, Speer (1992; Journal of Consulting and Clinical Psychology, 60, 402-408) suggested that the Reliable Change (RC) Index neglects possible confounding of improvement rate(More)
UNLABELLED Based on a secondary analysis of the Jacobson and Truax [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, 12-19.] data using both their own traditional approach and the refined method advanced by Hageman and(More)
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