[Apr-2026] Download Real ISTQB CT-UT Exam Dumps Test Engine Exam Questions
New CT-UT exam dumps Use Updated ISTQB Exam
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NEW QUESTION # 14
What is a usability test task?
- A. A document specifying a sequence of actions for the execution of a usability test. It is used by the moderator to keep track of briefing and pre-session interview questions, usability test tasks, and post- session interview questions
- B. A test session in usability testing in which a usability test participant is executing tests, moderated by a moderator and observed by a number of observers
- C. A usability test execution activity specified by the moderator that needs to be accomplished by a usability test participant within a given period of time
- D. A process through which information about the usability of a system is gathered in order to improve the system (known as formative evaluation) or to assess the merit or worth of a system (known as summative evaluation)
Answer: C
Explanation:
A usability test task is a clearly defined activity that a participant is asked to perform during a usability test session. These tasks are typically created by the test designer or moderator and are designed to reflect realistic user goals (e.g., "Find and buy a product"). The purpose is to observe the participant's interaction with the system and identify usability issues. Option A describes a usability test script, not a task. Option C defines usability evaluation in general, and D refers to a session, not a specific task. Therefore, B is correct.
References:
* ISO 25062:2006 - Common Industry Format (CIF) for Usability Test Reports
* Nielsen Norman Group: Writing Effective Usability Tasks
* Usability.gov: Usability Test Task Design
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NEW QUESTION # 15
Which of the following statements about usability test scripts is wrong?
- A. It contains pre-session interview questions.
- B. It contains answers to the test questions.
- C. It contains post-session interview questions.
- D. It is a checklist used by the moderator of a usability test.
Answer: B
Explanation:
A usability test script is a structured document used by the moderator to ensure consistency across test sessions. It typically includes pre-session briefing text, pre- and post-session interview questions, and the specific usability tasks to be performed. However, it does not include answers to the test questions, as usability tests focus on observing user behavior and performance-not testing users' knowledge. Providing answers would bias results and invalidate findings. Thus, option D is incorrect and the best choice.
References:
Usability.gov: Creating a Test Script
Nielsen Norman Group: Usability Testing Tools and Documentation
ISO 25062 - Guidelines for Usability Reporting
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NEW QUESTION # 16
As an expert for usability, you're in charge of the usability part of the development of a business application for a large customer. You have worked as a usability expert with the development team for two years and are operating well together; the developers value your feedback and give their bests implementing your suggestions. The product is in an early stage, so there's only a rudimentary prototype available.
Given this information, what is the best approach to verify the usability at the current stage?
- A. Usability test in the lab
- B. Usability review
- C. Unmoderated usability test
- D. Usability maturity assessment
Answer: B
Explanation:
At an early development stage where only a rudimentary prototype exists, a usability review (e.g., expert or heuristic review) is the most effective method. It allows usability specialists to identify potential usability issues without the need for a fully functioning product. Reviews can provide immediate, actionable feedback to guide design improvements before moving into more resource-intensive usability testing. An unmoderated usability test (B) or lab test (D) may be impractical at this stage due to limited interactivity. A usability maturity assessment (C) evaluates organizational processes and is not applicable to evaluating a specific prototype.
References:
Nielsen Norman Group: When to Use Heuristic Evaluation
ISO 9241-210:2019 - Human-Centered Design Processes
Usability.gov: Usability Evaluation Types
NEW QUESTION # 17
You're redesigning the web shop of a customer and found out that they are using legacy web design techniques like HTML tables for design matters, making the website hard to be operated using alternative input and output devices (e.g. screen readers).
Which kind of risk is most likely to occur?
- A. Accessibility risk
- B. There's no risk predictable
- C. Usability risk
- D. User experience risk
Answer: A
Explanation:
The use of HTML tables for layout instead of proper semantic HTML and responsive design violates accessibility guidelines, particularly those defined in the Web Content Accessibility Guidelines (WCAG).
Such a design makes it difficult or impossible for users relying on screen readers, keyboard navigation, or other assistive technologies to interact effectively with the site. Therefore, this creates a significant accessibility risk, which is distinct from general usability or user experience risks. Accessibility ensures inclusion of users with physical or cognitive impairments, making option B the correct choice.
References:
* W3C: Web Content Accessibility Guidelines (WCAG) 2.1
* ISO 9241-171:2008 - Software Accessibility
* Usability.gov: Accessibility Guidelines
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NEW QUESTION # 18
Which of the following is a principal task of the usability tester role?
- A. Perform pre-session briefing of participants
- B. Define testing tasks
- C. Discuss findings from usability test
- D. Communicate with test participant
Answer: D
Explanation:
The usability tester, often synonymous with the usability test moderator in practice, is primarily responsible for interacting directly with the test participants during the usability testing sessions. This role includes communicating with participants to guide them through test tasks, answering questions without leading responses, and ensuring the session runs smoothly. Effective communication is essential to facilitate participant comfort, elicit genuine user behaviors, and capture accurate usability data.
Performing the pre-session briefing (Option A) may be done by the usability tester but is often a shared responsibility or part of test facilitation protocols. Discussing findings (Option C) typically falls to analysts or usability experts after testing sessions are completed and data analyzed. Defining testing tasks (Option D) is usually done by test designers or analysts during test planning, not during the test execution.
Therefore, communicating with test participants during testing is a core, principal task of the usability tester role.
References:
Usability.gov, Usability Testing Basics
Nielsen Norman Group, Moderating Usability Tests
ISO 9241-210:2019 Ergonomics of human-system interaction - Usability testing roles and responsibilities
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NEW QUESTION # 19
What is good accessibility?
- A. Good usability of a software product by people with limited vision, hearing, dexterity, cognition or physical mobility
- B. Good usability regardless of disturbances like bright sunlight, noise or wind
- C. Good usability of a software product by people with limited knowledge of the software
- D. Good usability of a software product on all devices (smart phone, computer, etc.)
Answer: A
Explanation:
Accessibility refers to designing products so that people with disabilities or limitations (permanent or temporary) can use them effectively. According to the Web Content Accessibility Guidelines (WCAG) and ISO standards, accessibility focuses on ensuring that users with vision, hearing, cognitive, or mobility impairments can access digital interfaces. Option D captures this intent accurately. The other options relate to general usability or responsiveness (e.g., device adaptability or user experience in noisy environments) but do not address the inclusive nature of accessibility as defined by official guidelines.
References:
WCAG 2.1 Guidelines - W3C
ISO 9241-171:2008 - Guidance on software accessibility
Usability.gov: Accessibility Basics
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NEW QUESTION # 20
You're conducting a user survey and you have reached the third stage, selecting an appropriate questionnaire.
You have decided to use a standardized questionnaire as you want to benchmark against previous usability measurements.
Which of the following user questionnaires allow benchmarking against previous usability measurements?
i. SUS
ii. SUMI
iii. WAMMI
- A. i, ii and iii are true
- B. i & ii are true, iii is false
- C. ii & iii are true, i is false
- D. i is true, ii & iii are false
Answer: A
Explanation:
SUS (System Usability Scale), SUMI (Software Usability Measurement Inventory), and WAMMI (Website Analysis and Measurement Inventory) are all validated, standardized usability questionnaires that support benchmarking. They allow comparison against known usability scores from a wide variety of systems. These instruments provide numeric scores that can be interpreted using benchmark datasets or industry standards.
Therefore, all three-i, ii, and iii-are true, making D the correct answer.
References:
Brooke, J. (1996). SUS - A Quick and Dirty Usability Scale
Kirakowski, J. (1994). SUMI Development
Here are the verified answers and detailed explanations for Questions 22 through 25, formatted in your specified structure:
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NEW QUESTION # 21
Which of the following is a key activity in a usability test session?
- A. Test the set up and modify the test script if needed
- B. Talk to the participant during the completion of a task
- C. Extract usability findings and recommendations
- D. Moderate the usability test
Answer: D
Explanation:
Moderating the usability test is a core activity during the actual usability test session. The moderator guides participants through tasks, ensures the session stays on track, and avoids introducing bias. Option A (testing the setup) happens before the session, during preparation. Option C (extracting findings) occurs during analysis, after the test. Option D (talking during task execution) should be minimized unless necessary, to avoid influencing user behavior. Therefore, option B is the only correct answer aligned with best practices in usability testing.
References:
Nielsen Norman Group: Role of the Usability Test Moderator
ISO 25062:2006 - Usability Test Documentation
Usability.gov: Conducting a Usability Test
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NEW QUESTION # 22
Which of the following statements best describe Rapid Iterative Testing and Evaluation?
- A. Testing is informal and many potential users can be accessed
- B. Testing happens on a regular basis, e.g. each Monday
- C. Testing is quantitative
- D. Testing focuses on instant redesigns and confirming made changes
Answer: D
Explanation:
Rapid Iterative Testing and Evaluation (RITE) is a usability method in which usability issues are identified and addressed in short cycles. Unlike traditional usability testing, RITE allows for immediate redesigns and retesting of the improved version within the same study. The goal is to refine the design quickly based on observed usability issues. Option A confuses scheduling with methodology, B is too vague, and D inaccurately characterizes RITE as quantitative, while it is typically qualitative. Therefore, C accurately reflects the purpose and approach of RITE.
References:
* Medlock et al. (2002). The RITE Method: A Rapid Iterative Testing and Evaluation Method
* Nielsen Norman Group: Rapid Iterative Testing
* Usability.gov: RITE Method Overview
NEW QUESTION # 23
The usability team has written a usability test report. The report has the following structure:
Executive summary (1 page)
Table of contents (1 page)
Findings and recommendations (5 pages)
Objectives (2 pages)
Purpose (2 pages)
Contacts (1 page)
Which best practice does this usability test report violate?
- A. The report misses a description of the evaluation method
- B. The report makes use of usability jargon
- C. The report is too long
- D. The report misses positive findings
Answer: A
Explanation:
A best practice in usability reporting (based on ISO/IEC 25062:2006 - Common Industry Format for usability test reports) is to include a clear description of the evaluation method used. This includes how the test was designed, how participants were selected, what tasks were performed, and under what conditions the test was conducted. This ensures the results are credible and reproducible. The provided structure omits this essential information. While the report length is not excessive and positive findings may or may not be present, the key missing component is the method description.
References:
ISO/IEC 25062:2006 - Common Industry Format for Usability Test Reports
Nielsen Norman Group: How to Write Usability Reports
Usability.gov: Reporting Usability Test Results
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NEW QUESTION # 24
In the last project, the usability tests substantially exceeded the budget of the test plan. Which quality control task could have been used to avoid this?
- A. Check that the usability test plan has been properly reviewed
- B. Check that findings are communicated to the stakeholders
- C. Check whether the usability test report conforms to the best practices
- D. Check consumed resources regularly and compare with the estimates
Answer: D
Explanation:
To prevent usability testing from exceeding budget, active monitoring and control of project resources are critical. The best practice is to regularly check consumed time, costs, and effort against the original estimates, allowing timely adjustments to scope or resources. This is a classic quality control practice aligned with ISO
9001 principles and standard project management methodologies. Option A relates to test preparation, option C concerns reporting and communication, and option D applies after test execution. Only option B deals directly with budget control during the test.
References:
* ISO 9001:2015 - Quality Management Systems
* ISTQB: Usability Testing Guidelines
* Nielsen Norman Group: Budgeting for Usability Testing
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NEW QUESTION # 25
Which of the following is the best description for a usability test session?
- A. A document specifying a sequence of actions for the execution of a usability test.
- B. A test activity specified by the moderator that needs to be accomplished by a usability test participant within a given period of time.
- C. A black-box test technique in which test cases are designed to execute usability scenarios.
- D. A period of time in which a usability test participant is executing tests, moderated by a moderator and observed by a number of observers.
Answer: D
Explanation:
A usability test session is a controlled period during which a test participant performs tasks using the system under test while being observed by a moderator and sometimes additional stakeholders or observers. The goal is to understand how users interact with the interface and identify usability problems. Option A describes an individual task, not the whole session. Option C refers to a test plan or test script, and Option D describes a test technique rather than a usability session. Thus, option B provides the most accurate and comprehensive definition.
References:
ISO 25062:2006 - Common Industry Format (CIF)
Nielsen Norman Group: Usability Testing 101
Usability.gov: Usability Test Sessions
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NEW QUESTION # 26
What's the difference between an informal usability review and an expert usability review?
- A. An informal review only requires one reviewer
- B. An expert usability review is a formal review, not an informal review
- C. Contrary to an expert review, an informal usability review is based on opinion
- D. No formal usability qualifications are required for an informal usability review
Answer: D
Explanation:
An informal usability review can be conducted by anyone, including stakeholders or developers, and does not require formal usability training or qualifications. It is typically subjective and based on general impressions.
In contrast, an expert usability review (also called heuristic evaluation) is conducted by a trained usability expert who applies recognized usability principles. This is what differentiates the two approaches most clearly. Options A and C are misleading; expert reviews can be informal in format, and informal reviews aren't necessarily based solely on opinion. Option D is incorrect since both informal and expert reviews can be conducted individually or in groups.
References:
Nielsen Norman Group: Heuristic Evaluation
ISO 9241-110:2020 - Interaction Principles
Usability.gov: Expert Review vs Informal Review
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NEW QUESTION # 27
What location is NOT suitable for conducting a usability test?
- A. A room at the place where the test participant lives or works.
- B. A room where no action of the user can be seen or recorded by any means.
- C. Two office rooms that are connected by a video link.
- D. A public place, such as a cafe.
Answer: B
Explanation:
The primary goal of usability testing is to observe and record user behavior while interacting with the system.
A location where user actions cannot be seen or recorded (option A) completely undermines the test's purpose and is therefore not suitable.
While options B, C, and D are not ideal in all cases, they can still be valid settings depending on the context.
Testing in a user's natural environment (B) increases ecological validity. Remote testing via video link (C) is widely accepted. Testing in a public setting (D) can be useful for mobile apps or services intended for real- world use.
References:
Usability.gov: Conducting Usability Testing
Nielsen Norman Group: Choosing a Usability Testing Location
NEW QUESTION # 28
A web shop owner used Google Analytics to gather information about her users. She found out that most users take about five minutes to place an order. Is the usability of the website good or bad?
- A. That depends on the accessibility of the website
- B. The usability of the website is bad - five minutes is way too long
- C. The usability of the website is good - five minutes is a fair amount of time
- D. That depends on the context of use as users may have different expectations
Answer: D
Explanation:
Usability is defined in ISO 9241-11 as the extent to which a system can be used by specified users to achieve specified goals with effectiveness, efficiency, and satisfaction in a specified context of use. Without knowing the context-such as product complexity, user familiarity, device type, or purchasing habits-it is impossible to judge whether five minutes is good or bad. For complex items, five minutes may be reasonable, while for one-click purchases, it may be excessive. Thus, usability cannot be assessed solely based on one metric like time-it must be evaluated within its full usage context.
References:
ISO 9241-11:2018 - Usability Definitions and Concepts
Nielsen Norman Group: Context of Use in Usability Testing
Usability.gov: Usability and Context of Use
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NEW QUESTION # 29
A large customer complained that a business application developed by your company sometimes transfers the wrong amount of money to clients, although there are no complaints of the actual users. The expected amount differs from the actually transferred amount by a factor of 10 or 100. After analyzing the log files, you found out that the application itself works fine. The problem seems to be caused by confusing text fields and labels for the decimal place, leading to user errors.
Which usability risk should be reasonably addressed for the next release?
- A. Users won't buy or use the software product because it lacks effectiveness, efficiency or satisfaction
- B. Users resist using a software product which is essential for their daily work because it lacks usability
- C. Users buy the software product but repeatedly need to call support because they don't understand how to use it
- D. Increased liability through risk to financial loss caused by a poorly designed or deceptive user interface
Answer: D
Explanation:
The scenario describes a situation where the interface misleads users into making serious financial mistakes due to poor design, such as confusing decimal separators. Even though the system functions correctly, it facilitates critical user errors. This constitutes a major usability risk with potential legal and financial consequences. Therefore, the correct risk to address is increased liability due to financial loss caused by a poorly designed or deceptive interface (option D). The other options focus on usability-related dissatisfaction, resistance, or lack of adoption, which are not the key concern in this scenario.
References:
ISO 9241-210:2019 - Risk Management in Usability Engineering
Nielsen Norman Group: Error Prevention in UI Design
IEEE 1028: Standard for Software Reviews and Risk-Based Usability
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NEW QUESTION # 30
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