Psychology 2990A/B Lecture Notes - Product Liability, User Friendly, Crystal Computing
17 Dec 2013
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Altitude on airplanes: too complex (took 7 seconds to read, misread 12% of the time: design the machine and then fit user to the machine. 2 approaches: select people who fit the machine (eg. if strength is required select a strong person) Problem: not always possible to find people who fit the machine. The machines were originally designed to be used by men (taller and stronger: design the machine then train people to use the machine. E. g. give pilots more training with the altitude displays. Time and motion studies: train workers to move more efficiently when using machines (eliminate unnecessary movement) Taylor (1898): changing the design of shovels can increase productivity (p. 229) Three mile island (1979): a nuclear power plant in the us comes very close to a meltdown. Bhopal, india (1984): chemical spill kills 400, injures 200 000. Chernobyl (1986): explosion at nuclear power plant kills 300; contaminates millions of acres.
