A Review of the Event Analysis of Systemic Teamwork Methodology

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HFIDTC/WP1.1.3/10 Version 2/ 31 October 2005 Disadvantages Example • The output of a CUD analysis is particularly useful for highlighting communication flaws in a particular network of agents. • The CUD technique is particularly suited to the analysis of teamwork and C4i activity. • The CUD technique is also flexible, and could potentially be modified to make it more comprehensive. Factors such as time, error and workload could be incorporated into a CUD analysis, ensuring a much more exhaustive analysis. • Although the CUD technique was developed and originally used in the medical domain, it is a generic technique and could potentially be applied in any domain involving distributed collaboration. • The technique is easy to use and quick to learn. • For large, complex tasks involving many agents, conducting a CUD analysis may become a lengthy and laborious process. • In its present usage, the CUD analysis only defines the communications technology used at the source of the communication in question (i.e. the comms resource at the other end of the communication in question is not defined). • The initial data collection phase of the CUD technique is time consuming and labour intensive. • No validity or reliability data are available for the technique. • Application of the CUD technique appears to be limited. • No guidelines are offered to the analyst in analysing the technology used in the communications under analysis. Typically this is based upon the analyst’s subjective judgement. This may affect the reliability of the technique. The following example is a CUD analysis of an energy distribution task. The task involved the return from isolation of the Brimsdown -Tottenham-Waltham Cross Circuit (Salmon et al 2004c). The data collection phase involved two observers. The first observer was situated at the National Grid Transco (NGT) National Operations Centre (NOC) in Warwick and observed the activity of the NOC control room operator. The second observer was situated at the Tottenham substation and observed the activity of the senior authorised person (SAP) and authorised person (AP) who completed work required to return the circuit from isolation. The CUD analysis used observational data and a HTA 49
HFIDTC/WP1.1.3/10 Version 2/ 31 October 2005 of the task as its primary inputs. An extract of the CUD analysis for the energy distribution task is presented in Figure 3-13. In order to summarise the CUD analysis, comms frequency figures were calculated. The CUD summary results are presented in Table 19. NGT Feckenham Switching Operations 12 th July 2004 TIME NOC control room operator SAP/AP at Tottenham Substation SAP/AP at W altham Cross S ubstation SAP/AP at Brimsdown substation Overhead Line Party contact WOK control room operator Comms Comms Usage Diagram Effects of comms medium used R ecomm ended comms 08:50 C ontact N OC control room operator to ask w hen deearthing ops can begin + Sound is clear and stable + Comms is two way + Can look at site diagram / desktop screen at the sam e time + Confidentiality maintained - D ata is not recorded. Information may be lost 09:04 Contact SAP to issue first instructions + Sound is clear and stable + Comms is two way + Can look at site diagram / desktop screen at the sam e time + Confidentiality maintained - D ata is not recorded. Information may be lost 09:05 Contact SAP to discuss forthcoming operations + Sound is clear and stable + Comms is two way + Can look at site diagram / desktop screen at the sam e time + Confidentiality maintained - D ata is not recorded. Information may be lost 09:45 Contact NOC to report las t instructions c omplete and to ask for next instructions + Sound is clear and stable + Comms is two way + Can look at site diagram / desktop screen at the sam e time + Confidentiality maintained - D ata is not recorded. Information may be lost 10:00 C ontact OLP to discuss forthcoming operations + Sound is clear and stable + Comms is two way + Can look at site diagram / desktop screen at the sam e time + Confidentiality maintained - D ata is not recorded. Information may be lost Figure 3-13 - Comms Usage Diagram for an energy distribution task (Salmon et al 2004) Table 19 - CUD summary table Agent Telephon e comms Mobile phone comms PC comms Total NOC operator 11 11 SAP/AP Tottenham SAP/AP Waltham Cross SAP/AP Brimsdown at at at 8 1 9 5 5 7 7 Overhead party contact line 1 1 WOK operator 1 1 Total 32 2 34 50
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A Review of the Event Analysis of Systemic Teamwork Methodology

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