164 Human Factors of a Global Society
workers requires systems to support cognitive activity, to adaptively provide timely assistance and
responses, and to return meaningful and signicant content to the individual in situ. These facets
imply a rethink and redesign toward systems (help and GUI) to appease cognitive task requirements
from the human activity system.
ANALOGIES AND FINDINGS
Both case studies demonstrate striking similarities in view of effects on an operator’s daily work
activity and job satisfaction vis-à-vis causes. Sources of effects are unaligned systems; heteroge-
neous system landscapes; unstructured and unaligned TUIs and GUIs; nonadaptive, nonsituated,
nonmeaningful, and insignicant information and content provisioning; neg ...