ABSTRACT
Work analysis in human factors and ergonomics has shifted from focusing primarily on the physical demands of work to include both cognitive and socio-technical components of human-technology systems. This shift has been motivated by fundamental changes in work due to the advent of information technology and automation as well as high-prole system failures (e.g. Three Mile Island, numerous aviation accidents, and military incidents such as the USS Vincennes incident), which
Introduction and Scope .................................................................................................................... 61 Perspectives for Analysing Complex Cognitive Work ..................................................................... 62 Overview of Data Collection Methods ............................................................................................ 63
Observational Methods ............................................................................................................... 63 Setting .....................................................................................................................................64 Degree of Interaction ..............................................................................................................64 Parallel Sources of Data .........................................................................................................64 Collecting Observational Data ...............................................................................................65
