Event Analysis of Systemic Teamwork (EAST): a Novel Integration of Ergonomics Methods to Analyse C4i Activity

GH Walker, William Gibson, NA Stanton, Christopher Baber, P Salmon, D Green

Research output: Contribution to journalArticle

98 Citations (Scopus)

Abstract

C4i is defined as the management infrastructure needed for the execution of a common goal supported by multiple agents in multiple locations and technology. In order to extract data from complex and diverse C4i scenarios a descriptive methodology called Event Analysis for Systemic Teamwork (EAST) has been developed. With over 90 existing ergonomics methodologies already available, the approach taken was to integrate a hierarchical task analysis, a coordination demand analysis, a communications usage diagram, a social network analysis, and the critical decision method. The outputs of these methods provide two summary representations in the form of an enhanced operation sequence diagram and a propositional network. These offer multiple overlapping perspectives on key descriptive constructs including who the agents are in a scenario, when tasks occur, where agents are located, how agents collaborate and communicate, what information is used, and what knowledge is shared. The application of these methods to live data drawn from the UK rail industry demonstrates how alternative scenarios can be compared on key metrics, how multiple perspectives on the same data can be taken, and what further detailed insights can be extracted. The ultimate aim of EAST is, by applying it across a number of scenarios in different civil and military domains, to provide data to develop generic models of C4i activity and to improve the design of systems aimed at enhancing this management infrastructure.
Original languageEnglish
Pages (from-to)1345-1369
Number of pages25
JournalErgonomics
Volume49
Issue number12-13
DOIs
Publication statusPublished - 10 Oct 2006

Keywords

  • teamwork
  • coordination demand analysis
  • event analysis
  • hierarchical task analysis
  • communications usage diagram
  • critical decision method
  • rail industry
  • social network analysis

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