PSY/CS330 Human Factors
04/30/2001
Day 1-9
A Minor Disaster Closer to Home
uBackground
lOven controls are not standard - off on different ovens are different directions.
lThe previous oven control turned counter-clockwise for off.
lThe oven under consideration turned clockwise for off.
uThe Event
lA very nice apple crisp was being made.
lIt had completed it before supper.
lIt got very crisp - turned on broiler instead.
uThe nonstandardized controls between units led to proactive interference.
what happened is that when she tried to turn off oven to keep it warm until supper was over, she was in a hurry so she - - - -  extra-crispy.