Keeping psychological knowledge, skills and professional behaviour appropriate and current is at the heart of effective, culturally reflective practice. It calls for self-reflection and for taking part in development, service improvement and performance appraisal so capabilities keep growing, and this must go on throughout a psychologist's career as science, technology and society move on.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.