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Elementary,Middle School,High School,College,University,PHD
| Teaching Since: | May 2017 |
| Last Sign in: | 283 Weeks Ago |
| Questions Answered: | 27237 |
| Tutorials Posted: | 27372 |
MCS,MBA(IT), Pursuing PHD
Devry University
Sep-2004 - Aug-2010
Assistant Financial Analyst
NatSteel Holdings Pte Ltd
Aug-2007 - Jul-2017
An airport administrator investigated the attention span of air traffic controllers to determine how many
incoming flights the average controller could coordinate at the same time. Each randomly selected
controller was tested without his or her knowledge by a computer program which fed false flight
Information to a computer terminal. The controller first "received" information from one plane and by the
end of the hour was coordinating the flight pattern of ten planes simultaneously. The administrator
analyzed the errors collected by the computer program. The analysis revealed that six was the maximum
number of planes a controller could handle without making potentially fatal errors. Also, no errors
occurred when only one to three planes were incoming. He concluded that a controller should never
coordinate more than six incoming flights.
Are the researcher's conclusions warranted (yes/no)? ____________
Name the independent variable(s):
Name the dependent variable(s):
Name the confounded variable(s):
What is one method to "unconfound" the experiment?
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