“…Initial attempts to use GOMS to model actions in complex sociotechnical systems, in which interruptions, task switching, and multitasking are common, met with failure (Kieras & Santoro, 2004;West & Yuen, 2006). However, as West and Nagy (2007) demonstrated, GOMS can, at least in some cases, be used to usefully model routine expert behaviors embedded in these situations, if the system is integrated into a theory of how people manage interruptions, multitasking, planning, and replanning.…”