Quality of Experience
Quality of Experience Quiz
Test your knowledge of Quality of Experience (QoE) with our comprehensive quiz! Whether you’re a professional in the field or just curious, this quiz covers essential concepts and models that influence user satisfaction.
Join us to explore:
- The ACR scale
- The Kano model
- Objective and subjective metrics
- Essentials of QoE
It is possible to compare two test conditions with ACR scale.
True
False
Perceptual coding builds on perceivable differences.
True
False
Objective metrics depend on test participants directly.
True
False
Objective metrics depend on test participants.
True
False
D65 applies to testing environment.
True
False
Reduced reference metrics are the easiest to construct.
True
False
The boolean scale measures preference.
True
False
Mean opinion score reports distribution.
True
False
It is not possible to use a single test variable.
True
False
ETSI standards are used in Europe, but can be used elsewhere too.
True
False
ETSI standards are mandatory in Europe.
True
False
Color blind participants invalidate results.
True
False
Color blind participants distort results.
True
False
Imprecise test stimuli may cause invalid test results.
True
False
Kano model shows the connection between KPIs.
True
False
QoE is the degree of delight or annoyance of the user of an application or a service.
True
False
Functional : I like it, Dysfunctional: I am neutral
1D
Attractive
Must be
Reverse
Indifferent
Functional : I am neutral, Dysfunctional: I am neutral
1D
Attractive
Must be
Reverse
Indifferent
Functional : I dislike it , Dysfunctional: I expect it
1D
Attractive
Must be
Reverse
Indifferent
Kano model shows the connection between the fulfillment of requirements and user satisfaction
True
False
Kano model shows the connection between the fulfillment of requirements and the resources
True
False
Good resources guarantee good QoE
False
Qualities identified in the Kano model can't change over time.
True
False
An ACR scale may be qualitative and quantitative at the same time.
True
False
If two services are exactly the same, their overall QoE will always be the same.
True
False
Price on its own can't influence QoE
True
False
If two services are identical, their perceived QoE is identical
True
False
Lab research can be advantageous over other types of research
True
False
United Nations are part of the ITU
True
False
ITU is part of the UN.
True
False
Hidden reference test conditions are similar or identical to ref quality.
Similar
Identical
A continuous digital scale may be a slider that can be moved with a mouse.
True
False
In a lab, it is easy to have a realistic test scenario
True
False
Which one is a matter of distortion?
Test participant qualifications
Device calibration
Cognitive bias
All of the above
Perceptual coding wants to preserve QoE while reducing resources.
True
False
Which one is a standardized 5 point ACR rating option?
Fair
Great
Average
All of these
What's used to determine viewing distance?
D65
MOS
H
None
Which one is an objective matrix?
Passage of time rated by the user
Percentage GoB
Number of diff. Between pixels
None
Hidden reference stimuli within test conditions are useful because
Validity is ensured
More accurate understanding
We can ensure that results aren't distorted
None
If something is an attractive quality now, it may become
Must be
Indifferent
Reverse
1D
All of the above
Which one is NOT a DCR option ?
Imperceptible
Perceptible
Annoying
All are DCR options
Results of which QoE test are easiest to compare?
In the wild
Lab
Crowdsourcing
If two resources are not exactly the same, but there is no perceivable difference, we should
Use the one with more resources
Use the one with less resources
Increase resources
Use both
Which is a matter of validity?
Test participant qualifications
Env information
Cognitive bias
All of the above
If something is attractive now, it may become
1D
Indifferent
Must be
All of the above
What size is the PC rating scale which has the option 'same' ?
6
7
8
All
None
Standards of which organization are mandatory?
ECSI
ITU
UN
None
Improving KPI always improves QoE.
True
False
It is not possible to publish distorted results.
True
False
Sequential stimuli may be temporally separated
True
False
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