uA Brief
Overview
uSome Steps that are
part of a complete analysis (Swain &
Guttman, 1980)
u 1. Describe system goals and
functions.
u 2. Describe situation.
u 3. Describe tasks and jobs.
u 4. Analyze tasks for where errors are
likely.
u 5. Estimate probability of each
error.
u 6. Estimate probability error is not
corrected.
u 7. Devise means to increase
reliability.
u 8. Repeat steps 4 - 7in light of
changes.