Specific preconditions that must be demonstrated by the
trustee have been identified. These include competence, interpersonal
(Day & Stannard 1999, Mechanic & Meyer 2000)
and technical (Pask 1995, Johns 1996, Mechanic & Meyer
2000, Bell & Duffy 2009); reliability (Meize-Grochowski
1984, Johns 1996, Day & Stannard 1999); and being trustworthy