TELUS RATER 2026/2027 EXAM BANK –
AUTHENTIC QUESTIONS WITH 100%
CORRECT VERIFIED ANSWERS.
◎ What defines a real usability issue? ANSWER:- It is logical, repeatable, caused by
the interface, and connected to user struggle or task outcome.
◎ What is a false usability issue? ANSWER:- It is random, idiosyncratic, not clearly
caused by the interface, and hard to explain logically.
◎ What is critical incident identification? ANSWER:- Identifying specific moments
during testing where something meaningful happens, such as user hesitation or
confusion.
◎ What are severity ratings used for? ANSWER:- To prioritize usability problems based
on factors like task failure, frequency, user frustration, and impact on success.
◎ What are the common severity levels? ANSWER:- Low/Minor, Medium, and
High/Catastrophic.
◎ What characterizes a low/minor severity issue? ANSWER:- It causes annoyance
only, with no task failure and low impact.
◎ What characterizes a medium severity issue? ANSWER:- It causes significant
difficulty but users can recover; may create confusion or frustration.
◎ What characterizes a high/catastrophic severity issue? ANSWER:- It causes task
failure, serious frustration, and could create business or reputational harm.
◎ What is the evaluator effect? ANSWER:- Different evaluators identify different
usability problems while examining the same interface.
◎ What are common biases in identifying usability issues? ANSWER:- Confirmation
bias, anchoring, expertise differences, attention differences, and interpretation
differences.
◎ How can bias in usability evaluation be avoided? ANSWER:- By using multiple
evaluators, standardized protocols, and supporting issues with participant evidence.
, ◎ What should be reported when analyzing usability issues? ANSWER:- Issue name,
description, severity level, frequency, affected task, impact, participant evidence,
recommendation, sample size, and limitations.
◎ What is the purpose of eye tracking? ANSWER:- To reveal where users look, what
they notice, attention patterns, and possible confusion.
◎ What is the Eye-Mind Hypothesis? ANSWER:- It suggests that what people look at is
strongly related to what they are cognitively processing.
◎ What are the two basic forms of eye tracking? ANSWER:- Screen-based eye
tracking and wearable eye tracking.
◎ What is the difference between accuracy and precision in eye tracking? ANSWER:-
Accuracy refers to how close the gaze estimate is to the true location, while precision
refers to how consistent the gaze estimates are.
◎ What is a fixation in eye tracking? ANSWER:- A moment when the eyes remain
relatively still while processing information.
◎ What is the significance of sampling rate in eye tracking? ANSWER:- It determines
the number of measurements per second, affecting the temporal detail of the data
collected.
◎ What is the first step in conducting severity ratings? ANSWER:- Review usability
testing evidence.
◎ What is the importance of using multiple evaluators in usability testing? ANSWER:- It
helps to reduce the evaluator effect and improve coverage of usability issues.
◎ What is the role of participant evidence in usability reporting? ANSWER:- To support
identified issues with direct quotes or clips from users.
◎ What is a critical incident in usability testing? ANSWER:- A specific observable
moment that indicates user hesitation, confusion, or task failure.
◎ What is the significance of the CUE-8 study by Molich et al.? ANSWER:- It highlights
reproducibility issues in usability evaluation, showing that even experts can produce
different findings.
◎ What is the goal of usability evaluation? ANSWER:- To identify usability issues and
improve the user experience of a system.
◎ What should be included in a usability issue report? ANSWER:- Evidence, frequency,
user quotes, task impact, and recommendations.
AUTHENTIC QUESTIONS WITH 100%
CORRECT VERIFIED ANSWERS.
◎ What defines a real usability issue? ANSWER:- It is logical, repeatable, caused by
the interface, and connected to user struggle or task outcome.
◎ What is a false usability issue? ANSWER:- It is random, idiosyncratic, not clearly
caused by the interface, and hard to explain logically.
◎ What is critical incident identification? ANSWER:- Identifying specific moments
during testing where something meaningful happens, such as user hesitation or
confusion.
◎ What are severity ratings used for? ANSWER:- To prioritize usability problems based
on factors like task failure, frequency, user frustration, and impact on success.
◎ What are the common severity levels? ANSWER:- Low/Minor, Medium, and
High/Catastrophic.
◎ What characterizes a low/minor severity issue? ANSWER:- It causes annoyance
only, with no task failure and low impact.
◎ What characterizes a medium severity issue? ANSWER:- It causes significant
difficulty but users can recover; may create confusion or frustration.
◎ What characterizes a high/catastrophic severity issue? ANSWER:- It causes task
failure, serious frustration, and could create business or reputational harm.
◎ What is the evaluator effect? ANSWER:- Different evaluators identify different
usability problems while examining the same interface.
◎ What are common biases in identifying usability issues? ANSWER:- Confirmation
bias, anchoring, expertise differences, attention differences, and interpretation
differences.
◎ How can bias in usability evaluation be avoided? ANSWER:- By using multiple
evaluators, standardized protocols, and supporting issues with participant evidence.
, ◎ What should be reported when analyzing usability issues? ANSWER:- Issue name,
description, severity level, frequency, affected task, impact, participant evidence,
recommendation, sample size, and limitations.
◎ What is the purpose of eye tracking? ANSWER:- To reveal where users look, what
they notice, attention patterns, and possible confusion.
◎ What is the Eye-Mind Hypothesis? ANSWER:- It suggests that what people look at is
strongly related to what they are cognitively processing.
◎ What are the two basic forms of eye tracking? ANSWER:- Screen-based eye
tracking and wearable eye tracking.
◎ What is the difference between accuracy and precision in eye tracking? ANSWER:-
Accuracy refers to how close the gaze estimate is to the true location, while precision
refers to how consistent the gaze estimates are.
◎ What is a fixation in eye tracking? ANSWER:- A moment when the eyes remain
relatively still while processing information.
◎ What is the significance of sampling rate in eye tracking? ANSWER:- It determines
the number of measurements per second, affecting the temporal detail of the data
collected.
◎ What is the first step in conducting severity ratings? ANSWER:- Review usability
testing evidence.
◎ What is the importance of using multiple evaluators in usability testing? ANSWER:- It
helps to reduce the evaluator effect and improve coverage of usability issues.
◎ What is the role of participant evidence in usability reporting? ANSWER:- To support
identified issues with direct quotes or clips from users.
◎ What is a critical incident in usability testing? ANSWER:- A specific observable
moment that indicates user hesitation, confusion, or task failure.
◎ What is the significance of the CUE-8 study by Molich et al.? ANSWER:- It highlights
reproducibility issues in usability evaluation, showing that even experts can produce
different findings.
◎ What is the goal of usability evaluation? ANSWER:- To identify usability issues and
improve the user experience of a system.
◎ What should be included in a usability issue report? ANSWER:- Evidence, frequency,
user quotes, task impact, and recommendations.
