PSY 330 Human Factors
5/1/00
Day 2-12
Human Error Classification Systems - 3
uMeister’s (1971) Types of Failures
uBased on where the error originates.
lOperating error:
uSystem is not operated according to intended procedure.
lDesign Error:
uDesigner does not take into account human abilities.
lManufacturing Error:
uSystem is not built according to design.
lInstallation and Maintenance Errors
uSystem is not installed or maintained correctly.
uScary how common these are.