“…In both domains, situation‐specific expertise is associated with increased efficiency and reduced cognitive load. As a result, a 'successful supervisory process should not be considered purely as a function of the system within which the supervisor functions, but of his or her capacity to effectively navigate the complex environment created by the system: that is, the ability to identify and strategise the ‘challenges which can be anticipated and possibly managed’ is dependent upon the expertise and agility of the supervisor.…”