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Interaction Design for Usability > L6: Usability Evaluation > Flashcards

L6: Usability Evaluation Flashcards

1
Q

Cognitive walkthroughs are good for testing…

a. Concepts and terminology
b. Layout and design
c. Detailed interaction

A

a. Concepts and terminology

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2
Q

Which of the following IS NOT TRUE of high fidelity prototyping?

a. Suitable for detailed interaction
b. Avoids superficial distraction
c. Best for final assessment

A

b. Avoids superficial distraction

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3
Q

Usability evaluations test…

A

whether a solution is suitable for its users

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4
Q

Functional testing determines

A

only whether the solution does what you said it would

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5
Q

What is a fidelity?

A

Refers to the amount of detail present in a screen or page design.

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6
Q

Low-fidelity evaluations can be done at

A

very early stages

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7
Q

What are the examples of low-fidelity?

A
  1. Sketches
  2. Paper prototypes (including ‘digital’)
  3. Wireframes(basic)
  4. No or minimal functionality
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8
Q

What are the examples of medium-fidelity?

A
  1. Wireframes
  2. Digital mock-ups
  3. Some functionality
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9
Q

What are the examples of high-fidelity?

A
  1. Finished designs

2. Usually fully functional but can just be screenshots

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10
Q

What are some good methods to test concepts and terminology?

A
  1. Card sorting
  2. Design (cognitive) walkthroughs
  3. Reverse card sorting/tree sorting
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11
Q

Expert or heuristic evaluations rely on the

A

experience and expertise of the evaluator

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12
Q

Benchmark metrics tend to be:

a. Feature-specific
b. Project-specific
c. Goal-oriented

A

c. Goal-oriented

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13
Q

What are Nielsen’s 10 UI heuristics?

A
  1. Visibility of system status
  2. Match between system and the real world
  3. User control and freedom
  4. Consistency and standards
  5. Error prevention
  6. Recognition rather than recall
  7. Flexibility and efficiency of use
  8. Aesthetic and minimalist design
  9. Help users recognize, diagnose and recover from errors
  10. Help and documentation
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14
Q

Visibility of system status

A

The sytem should always keep users informed about what is going on, through appropriate feedback within a reasonable time

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15
Q

Match between system and the real world

A

The system should speak the users’ language, with words, phrases and concepts familiar to the user, rather than system-oriented terms

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16
Q

User control and freedom

A

Users often choose system functions by mistake and will need a clearly marked “emergency exit” to leave the unwanted state without having to go through an extended dialogue.

17
Q

Error prevention

A

Even better than good error messages is a careful design which prevents a problem from occurring in the first place.

18
Q

Recognition rather than recall

A

Minimize the user’s memory load by making objects, actions, and options visible.

19
Q

Applying the benchmark consistently allows solutions to be

A

Compared

20
Q

Structure, detail, meaning, price, availability are examples of what type of sample metrics

A

Content

21
Q

Layout, legibility, color, graphics, consistency are examples of what type of sample metrics?

A

Visual Design

22
Q

Terminology, menus, page titles, navigational feedback, back button, consistency are examples of what type of sample metrics?

A

Navigation

23
Q

Rewarding to use, interactive features, empowering features, on-page interaction, sense of community are all examples of what type of sample metrics?

A

Engagement

24
Q

Paper prototyping:

a. Can be produced at a very early stage
b. Is hard to create, modify and animate
c. Is more intimidating to users

A

a. Can be produced at a very early stage

25
Q

Which of the following IS NOT a common usability testing metric?

a. Task success rate
b. Conversion rate
c. Task time

A

b. conversion rate

26
Q

Most usability testing focuses on

A

difficulties users have in achieving their goals

27
Q

Metrics used for usability testing

A
  1. Task success rate
  2. Task time
  3. Number of errors
28
Q

What is a common reading pattern for web pages?

a. ‘F’ pattern
b. ‘G’ pattern
c. ‘E’ pattern

A

a. ‘F’ pattern

29
Q

Eye tracking measures

A

where users fix their gaze

30
Q

Hardware based eye tracking systems can cost up to

A

$50,000

31
Q

What required for eye-tracking measures?

A

Specialist equipment, software and expertise is required

32
Q

Multivariate testing is used for:

a. Websites with small traffic
b. Websites with high traffic
c. Mobile apps only

A

b. Websites for high traffic

33
Q

Both A/B tests should be shown

A

at the same time. eg.) Version A shouldn’t be shown on week 1 and then Version B shown on week 2

Interaction Design for Usability (15 decks)

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