Define Success 69
that it adequately represents a framework for accomplishing desired
results. The ability of a model to represent the successful comple-
tion of a task is dependent on the flexibility of the model. If your
model-based analysis does not result in a flexible framework that
can be applied in a variety of contexts, then you will want to review
the task using another task analysis technique.
Cognitive Task Analysis. Cognitive analysis methods focus on the
psychological processes underlying the competition of a task. Use
cognitive analysis whenever complex decisions are required (such
as when multiple contributing variables and options must be
weighed by the performer) and when there are few observable
behaviors. Subtle cues from ...