Abstract
This chapter presents a new shortened form of Event analysis of systemic teamwork (EAST) that focuses on the analysis of collaborative performance. EAST was undertaken as an ‘information audit’ of the relationship between the sound room and control room on board a submarine. The control and sound rooms have all the characteristics of distributed cognition problems. The sound room and control room are engaged in the activities to range all contacts within the local area to find a safe area of sea to return to periscope depth (RTPD). The task network was constructed from the main phases of the RTPD activities involved in returning the submarine to periscope depth. Social Network Analysis offers a means of analysing the network as a whole as well as the behaviour of individual nodes and their interactions. The combined task and social networks showed which roles were performing the tasks in series and parallel.
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