Prediction of dose-response relations based on patient characteristics

The recent discussion of evidence-based. adaptive treatment planning highli ghts the need for models for the prediction of courses of treatment respons e. We combine a dose-response model with growth curve modeling to determine dose-response relations for well-being, symptoms, and functioning. Hierarc hical linear modeling was used to model each patient's expected course of i mprovement. The resulting predictions were cross-validated on two samples o f psychotherapy outpatients, The results give further empirical support for the dose-response model and the phase model of psychotherapy as well as fo r the usefulness of patient treatment response profiling for individual tre atment management. (C) 2001 John Wiley & Sons, Inc.