Chapter 1. Causation and Chance: Integrating the dynamical-systems approach with statistical thinking.- Chapter 2. Psychopathological problems and disorders.- Chapter 3. Interventions in psychotherapy.- Chapter 4. The Fokker-Planck equation.- Chapter 5. Application to psychotherapy: Deterministic interventions.- Chapter 6. Application to psychotherapy: Stochastic interventions.- Chapter 7. Application to psychotherapy: The mixture of deterministic...