Topic 1

Question 1

Definition of Ergonomics

Answer 1

The science that deals with the relationship between humans and systems, objects environments and products.

Question 2

The 3 aspects of ergonomics/human factors

Answer 2

Anthropometrics
Psychological Factors
Physiological Factors

Question 3

Definition of Percentile Range

Answer 3

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

Question 4

Percentile of Clearance

Answer 4

95th

Question 5

Percentile of Reach

Answer 5

5th

Question 6

Percentile of Adjustability

Answer 6

5th-95th

Question 7

Percentile of Range of Sizes

Answer 7

5th-95th

Question 8

Percentile of Standard

Answer 8

50th

Question 9

Definition of Recess

Answer 9

The space underneath a kitchen counter, cabinet etc.

Question 10

Definition of Static Data

Answer 10

Refers to human body measurements that are taken when the subject is still and not moving.

Question 11

Definition of Dynamic Data

Answer 11

Refers to human body measurements that are taken when the subject is in motion.

Question 12

When do we decide to use primary anthropometric data or secondary anthropometric data?

Answer 12

Primary anthropometric data is used when products are custom-made, whereas secondary anthropometric data is used for mass production.

Question 13

Definition of Reach Envelope

Answer 13

The 3D space a person can reach comfortably from a fixed position/location.

Question 14

What are the Psychological Factors?

Answer 14

Smell
Light
Sound
Taste
Texture
Temperature

Question 15

Nominal Scale

Answer 15

When you categorize information by names, and it is non-numeric.

Question 16

Ordinal Scale

Answer 16

To show sequence or order only.

Question 17

Interval Scale

Answer 17

Numeric scale where the order and exact difference between the values is known and fixed.

Question 18

Ratio Scale

Answer 18

Same as the interval scale but the zero is real.

Question 19

The stages of the Human Information Processing System

Answer 19

Input -> Sensory Processes -> Central Processes -> Motor Processes -> Output

Question 20

Why do designers study the physical characteristics of users?

Answer 20

To optimize their safety, health, comfort and performance.

Question 21

Definition of Biomechanics

Answer 21

In physiological factors, and include the research and analysis of the mechanics in the human body, and the stresses that can be placed on these body parts.

Question 22

Who do designers need to consider?

Answer 22

Designers must consider the elderly, ill, disabled and children, and need to decrease the amount of effort needed for users to utilize their products (give them a mechanical advantage). For example, adding texture or increasing the surface area.