Can you imagine an analytical approach to documenting the prob
lems reported by drivers?
We often use this case to explain that not all problems of this
nature are behavioral. Indeed, this is a true case designed to show
students that, based on what is known about human factors, the
situation can be studied analytically. The design methodology for
documenting Mr. Southard’s case was to put monitors on the truck
drivers to provide a record of their cardiovascular activity. Most of
the drivers were doing day drives, that is, going and returning on
the same day, thus the design called for monitoring a number of
trips by each driver over the same routes using both the new and
old trucks. In this way, comparisons could be made between the
work required to drive each truck as shown on the records from
each driver. Additionally, the steering wheel on each truck was
fitted with sensors to record the amount of motion required to
control each kind of truck. The hypothesis was that the truck that
required more work would also require greater steering wheel
movement. The measure of steering wheel movement was used as
evidence to validate the work implied by the record of cardiovas
cular activity.
There were, of course, some difficulties with this design. It
was expensive to outfit the trucks and drivers with the monitoring
devices. The cooperation of the drivers was needed because the
use of the monitors constituted an invasion of privacy. In addition,
on longer trips, the cardiovascular sensors needed to be removed
before, and reattached after, every break or delivery stop.
Note: This can make for an excellent classroom exercise and
discussion.
LO 10.2: Identify the major issues in job design
AACSB: Analytical thinking
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Operations Management: Sustainability and Supply Chain Management, 12th Edition (Free Ebooks Download)
Jay Heizer, Texas Lutheran University
Barry Render, Graduate School of Business, Rollins College
Chuck Munson, Carson College of Business, Washington State University
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1. Operations Management Ebooks - Free Downloads
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