1. Pratt, C. W., Gill, K. J., Barrett, N. M., & Roberts, M. M. (2014). Psychiatric rehabilitation (3rd ed.). Academic Press. In Chapter 5, "Assessing Readiness for Rehabilitation," the authors describe this phase as a process to "help people decide what they want" by exploring their values, needs, and priorities as a precursor to goal setting (pp. 91-93).
2. Farkas, M., & Anthony, W. A. (Eds.). (2010). Psychiatric rehabilitation programs: Putting theory into practice. Boston University, Center for Psychiatric Rehabilitation. The text outlines the Boston University model, where the readiness phase explicitly involves helping individuals "clarify their values and their mission" to build a foundation for change (Section II: The Process of Psychiatric Rehabilitation).
3. Psychiatric Rehabilitation Association (PRA). (2001). Practice Guidelines for the Psychiatric Rehabilitation of Individuals with Serious Mental Illnesses. The guidelines emphasize that the initial phases of rehabilitation involve helping individuals identify what is important to them (values) and what they want to achieve, which is characteristic of assessing readiness before a formal rehabilitation plan is developed.