Topic 1- Human factors and ergonomics

Question 1

Adjustability

Answer 1

The ability of a product to be changed in size

Question 2

Alertness

Answer 2

The level of vigilance, readiness or caution of an individual

Question 3

Anthropometrics

Answer 3

Aspect of ergonomics that deals with body measurements

Question 4

Biomechanics

Answer 4

Study of the mechanical movements of our body

Question 5

Biomechanics focuses on…

Answer 5

how our body moves and how it’s affected by different forces

Question 6

Clearance

Answer 6

The physical space between two objects

Question 7

Cognitive ergonomics

Answer 7

How mental processes affect the interactions between users and other components of a system

Question 8

Comfort

Answer 8

A person’s sense of physiological or psychological ease

Question 9

Dynamic data

Answer 9

Human body measurements taken when the subject is in motion related to range and reach of various body movements

Question 10

Ergonomics

Answer 10

The application of scientific information concerning the relationship between human beings and the design of products, systems and environments.

Question 11

Fatigue

Answer 11

A person’s sense of physical or psychological tiredness.

Question 12

Functional data

Answer 12

dynamic data measurements while performing a required task

Question 13

Human factors

Answer 13

A scientific discipline concerned with understanding how humans interact with elements of a system.

Question 14

Human info. processing system

Answer 14

An automatic system that a person uses to interpret information and react.

Question 15

Human info. processing stages (Acronym: IS CaM Out?)

Answer 15

Input > Sensory process > Central process > Motor process > Output

Question 16

Interval data is based on…

Answer 16

numeric scales in which we know the order and the exact difference between the values.

Question 17

Nominal data scale

Answer 17

classifies objects into discrete categories

Question 18

Ordinal data

Answer 18

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.

Question 19

Percentile range

Answer 19

The proportion of a population with a dimension at or less than a given value.

Question 20

Perception

Answer 20

The way in which something is regarded, understood or interpreted.

Question 21

Physiological factor data

Answer 21

Human factor data related to physical characteristics used to optimise the user’s safety, health, comfort and performance

Question 22

Psychological factor data

Answer 22

Human factor data related to psychological interpretations caused by light, smell, sound, taste, temperature and texture. (LSSTTT)

Question 23

Ratio data scale allows you to…

Answer 23

compare differences between numbers.

Question 24

Reach

Answer 24

A range that a person can stretch to touch or grasp an object from a specified position

Question 25

Workplace environmental factors

Answer 25

Physical env., equipment design, nature of the job, social env., worker (subtopics in rev. guide)