Topic 1- Human factors and ergonomics Flashcards
Adjustability
The ability of a product to be changed in size
Alertness
The level of vigilance, readiness or caution of an individual
Anthropometrics
Aspect of ergonomics that deals with body measurements
Biomechanics
Study of the mechanical movements of our body
Biomechanics focuses on…
how our body moves and how it’s affected by different forces
Clearance
The physical space between two objects
Cognitive ergonomics
How mental processes affect the interactions between users and other components of a system
Comfort
A person’s sense of physiological or psychological ease
Dynamic data
Human body measurements taken when the subject is in motion related to range and reach of various body movements
Ergonomics
The application of scientific information concerning the relationship between human beings and the design of products, systems and environments.
Fatigue
A person’s sense of physical or psychological tiredness.
Functional data
dynamic data measurements while performing a required task
Human factors
A scientific discipline concerned with understanding how humans interact with elements of a system.
Human info. processing system
An automatic system that a person uses to interpret information and react.
Human info. processing stages (Acronym: IS CaM Out?)
Input > Sensory process > Central process > Motor process > Output
Interval data is based on…
numeric scales in which we know the order and the exact difference between the values.
Nominal data scale
classifies objects into discrete categories
Ordinal data
Data that exists on an arbitrary numerical scale where the exact numerical value has no significance other than to rank a set of data points.
Percentile range
The proportion of a population with a dimension at or less than a given value.
Perception
The way in which something is regarded, understood or interpreted.
Physiological factor data
Human factor data related to physical characteristics used to optimise the user’s safety, health, comfort and performance
Psychological factor data
Human factor data related to psychological interpretations caused by light, smell, sound, taste, temperature and texture. (LSSTTT)
Ratio data scale allows you to…
compare differences between numbers.
Reach
A range that a person can stretch to touch or grasp an object from a specified position
Workplace environmental factors
Physical env., equipment design, nature of the job, social env., worker (subtopics in rev. guide)
