Lecture 9: Macroergonomics and Safety Engineering Flashcards
What is OSHA?
Occupational Safety and Health Administration
part of US department of labor
What is NIOSH?
National Institute for Occupational Safety and Health
part of CDC
mainly for research and education functions
What is the systems approach to accidents?
accidents occur because of the interaction between system components
What are the stages of Hierarchy of Controls?
Elimination
Substitution
Engineering
Administrative
PPE
What are the two types of mistakes?
knowledge based and rule based
What are the two skill based errors?
slips and lapses
What are knowledge based mistakes?
failure of perception, of understanding
What are rule based mistakes?
unaware of, or misapplies, the rules governing appropriate behavior
What are slips?
right intention incorrectly executed
What is an example of error of commission?
hit the delete key when intended to hit save key
What are lapses?
failure to carry out an action
What is an example of error of omission?
forgetting to close gas cap
based on working memory
What are classifications of human error?
timing
duration
force
distance/magnitude
speed
direction
wrong object
sequence
What is human fallibility?
misallocation of attentional resources
What are active errors?
effects felt immediately
sharp end (operator)
