
48 Joint Cognitive Systems
the diagnostic search process? This is why the analysis m ethods are referred to as
“process tracing” methods (Woods, 1993).
Process tracing methods follow the steps specified by Hollnagel et al. (1981) as
sketched in Figure 6 and as summarized in Table 2 (see Ro th et al., 1987 or Nikolic
& Sarter , in press, for a process tra cing analysis in full). The starting point is
analysis of the process for handling the situation in its specific context (the
description of how the scenario was handled in terms of that world of work).
Second, the general patterns or demands about JCSs that were instantiated in the
concre te case