Usability - Answers the study of the ease with which people can employ a particular tool or other
human-made object in order to achieve a particular goal
Performance - Answers all-encompassing term that may involve the reduction of errors or an increase in
productivity
Equipment Design, Task Design, Environmental Design, Training, Selection - Answers Implemented
Solutions
Equipment Design - Answers Changing the physical equipment
Task Design - Answers Change what operators do
Environmental Design - Answers Change in environment, such as lighting, temperature, or amount of
noise
Training - Answers Better prepared workers
Selection - Answers Better selected workers for optimization
Ergonomics - Answers Equipment Design
A.I. - Answers Help, User Models
Psychology - Answers User Models, Understanding the user
Sociology and Anthropology - Answers Group work
Linguistics - Answers Command language
Design - Answers layout
Engineering and Computer Science - Answers Faster machines, faster systems, means for better
interfaces
Philosophy - Answers Consistency
Physiology - Answers Physical Capabilities
Art - Answers Aesthetics
Goal of human factors specialist - Answers Making the human interaction with systems one that
enhances performance (reduces error, increases productivity), increases safety, increases user
satisfaction (ex: upgrading cars)
Cost/Benefit Analysis - Answers Compare the expected costs of the human factors effort with the
estimates in monetary terms