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DT mock > Topic 1 > Flashcards

Topic 1 Flashcards

1
Q

Define Ergonomics and Human Factors

A

It is the science that deals with the relationship between humans and systems, products, environments and objects

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2
Q

What are anthropometrics

A

human sizes / measurements

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3
Q

Define Percentile Range

A

is that proportion of a population with a dimension at or less than a given value

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4
Q

Clearance is what percentile?

A

95th

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5
Q

Reach is what percentile?

A

5th

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6
Q

Adjustability and Range of sizes percentile?

A

5th-95th

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7
Q

Standard percentile?

A

50th

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8
Q

Recess percentile?

A

95th

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9
Q

What are Physiological Factors?

A

(abilities) Designers study Physical characteristics of users to optimize their safety, health, comfort and performance

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10
Q

In any question with physiological factors include…

A

comfort and fatigue

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11
Q

Psychological Factors?

A

Senses. SLSTTT (Smell Light Sound Taste Texture and Temperature) they are qualitative and subjective

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12
Q

What do Psychological Factors effect?

A

Comfort, efficiency, perception and alertness

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13
Q

Define Static Data.

A

Static data is data that refers to human body measurements and is taken when the subject is still (not moving)

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14
Q

Define Dynamic Data.

A

Human body measurements that are taken when the subject is in motion (performing certain tasks)

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15
Q

What is reach envelope

A

3d space a person can reach comfortably from a fixed position

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16
Q

Primary anthropometric data is when product is ___

A

custom made

17
Q

Secondary anthropometric data is when product is ___

A

mass produced

18
Q

Biomechanics?

A

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

19
Q

For biomechanics designers need to consider the elderly, ill, disabled, children. They need to decrease the effort users exert (give the users mechanical advantage) This can be done by…

A

Adding texture, making surface area larger…

20
Q

Psycological factors play a role in…

A

product’s design as well as environment user is in

21
Q

Human information processing system steps

A
  1. Input
  2. Sensory Process
  3. Central Process
  4. Motor Process
  5. Output
22
Q

Data Scales

A
  1. Nominal
  2. Ordinal
  3. Interval
  4. Ratio
23
Q

Nominal is…

A

Categorizing information by name (not numeric)

24
Q

Ordinal

A

Data is categorized to show sequence or oder only

25
Q

Interval

A

Numerical Scale where the oder and the exact difference between the values is known and fixed. Like temp.

26
Q

Ratio

A

Real Zero. the same as interval but the zero is real. Like length

DT mock (1 decks)

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