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PSYC 3170 Lecture Notes - Mass Psychogenic Illness, Nuclear Meltdown, Startle Response

Course Code
PSYC 3170
Gerry Goldberg

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07-11-2011 Stress Related Topics
Ergonomics, environmental factors, mass psychogenic illness, pain
Human-machine relationships at work, sports, vehicles, home
See if people are assessable to reach the button, life the box
Simplify, find the simplest way to do things
Examines the way in which work or task environment can be designed or
modified to match the capabilities and limitations of human beings
Common sense psychology: answers seem obvious after they are known
Negative transfer of learning: past learning affecting present function
Erg. Involves planning: workstations, acceptable lifts and reaches, shift work
schedules, work to rest break schedules, task design, tool design,
Knobs and Dials Psychology
At home eg. Stoves: where are the dials?
At work eg. Cranes
Three Mile Island power plant nuclear meltdown ex. Hot coded blue but
cold coded red which made it worse
Ergonomics and Medical Errors
Most complaints from clerical staff, both new and old technology
Least complaints from news writers
Biological, psychological and sociological influence health issues
Ex. Of modern erg. Devices – glucose monitors or insulin pumps
Part of erg. Is making sure description to do something is simple and
Checklist making a difference in deaths in emergency rooms
Why errors occur in diagnosis
Physicians required to make an unusually high number of decisions
Decisions necessarily entail a great deal of uncertainty
For the most part, patients and their illnesses are seen through only small
windows of focus and time
He believes that many misdiagnoses are result of readily identifiable –and
often preventable- errors in thinking
Heuristic Errors
Representative error (what is typically true)
Availability error (what comes to mind)
Confirmation bias (focus only on supportive info)
Affective error (what we wish were true)
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Environmental Stressors
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