Good practice means the practitioner (a) models professional and ethical behaviour; (b) treats students with respect and patience; (c) explains the student's part in patient care to the student, the patients and the team, documenting it where appropriate; and (d) tells patients about student involvement and obtains consent for it, respecting a patient's choice to refuse.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.