128 Joint Cognitive Systems
effective by improving coagency, the coupling between man and machine, a
JCS view. Two main issues in the practical implementation of this view are:
(1) what humans should do relative to what machines should do, and (2)
whether humans or machines are in charge of the situation. The first refers to
the function allocation proper, and the second to the issue of responsibility.
The two issues are obviously linked, since any allocation of functions implies
a distribution of the responsibility. The responsibility issue quickly becomes
complicated when function allocation changes over time, either because
adaptation has been used as a deliberate feature of the system, or – more