ABSTRACT

The temporal nature of task performance is an important feature of activity in complex systems. Task performance time prediction is used in the design of systems and processes in order to determine whether proposed design concepts offer performance time reductions, and also to offer performance times associated with a particular task or set of tasks. Timeline-type analysis seems to be potentially suited to analysing team performance times. Critical path analysis (CPA) is a popular technique in project management and is used to estimate the duration of a project in which some activities can be performed in parallel. CPA is one of a number of performance time prediction methods which also include the keystroke level model (KLM) and timeline analysis. The KLM is a very simple technique that is used to predict task execution time in human-computer interaction tasks. Timeline analysis is an approach that can be used to depict scenarios in terms of tasks and their associated task performance times.