Joint Cognitive Systems

102 Joint Cognitive Systems

5. Interactions with support systems oc cur relativ e to deman ds.

Interactions with support systems (computer ba sed or v ia other technologies)

occur in the context of these escalating demands on knowledge and atten tion,

monitoring and assessm ent, co mmunication and response. In situa tions

with in the envelope of textbook competen ce, technological syste ms seem to

integrate smooth ly into work practices, so smoothly that seemingly little

work is required for human roles. However, patterns of distribution and

coordination of this work over people and machines grow more complex as

situations cas cade. Thus, the penalties for poor coordinatio n between people

and machines and for poor support for coordination across