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ISTQB Certified Tester Usability Tester Question and Answers

ISTQB Certified Tester Usability Tester

Last Update Oct 15, 2025
Total Questions : 40

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Questions 1

What location is NOT suitable for conducting a usability test?

Options:

A.  

A room where no action of the user can be seen or recorded by any means.

B.  

A room at the place where the test participant lives or works.

C.  

Two office rooms that are connected by a video link.

D.  

A public place, such as a cafe.

Discussion 0
Questions 2

Which of the following are advantages of using a usability lab?

i. The context is natural

ii. Test sessions are easy to observe

iii. Inexpensive setup

iv. Similar conditions for all sessions

v. Easy recording of sessions

Options:

A.  

i, ii & v are true, iii & iv are false

B.  

ii, iv & v are true, i & iii are false

C.  

ii & iv are true, i, iii & v are false

D.  

iii, iv & v are true, i & ii are false

Discussion 0
Questions 3

Which of the following is the correct distinction between formative and summative usability evaluation?

Options:

A.  

Summative evaluations focus on improvement, formative evaluations assess the outcome

B.  

Summative evaluations mostly rely on experts, formative evaluations require users

C.  

Summative evaluations assess the outcome, formative evaluations focus on improvement

D.  

Summative evaluations mostly rely on user tests, formative evaluations require experts

Discussion 0
Questions 4

What is a usability test task?

Options:

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 usability test execution activity specified by the moderator that needs to be accomplished by a usability test participant within a given period of time

C.  

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)

D.  

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

Discussion 0
Questions 5

Which of the following is the highest WCAG conformance level, promising the most accessible content?

Options:

A.  

Double A (AA)

B.  

Single A (A)

C.  

Triple A (AAA)

D.  

Quadruple A (AAAA)

Discussion 0
Questions 6

A “usability test participant” …

Options:

A.  

... helps to set up the system used for the usability test.

B.  

... is a person who observes a usability test.

C.  

... can be the organizer of a usability test.

D.  

... is a representative user who solves typical tasks in a usability test.

Discussion 0
Questions 7

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?

Options:

A.  

Users resist using a software product which is essential for their daily work because it lacks usability

B.  

Users buy the software product but repeatedly need to call support because they don’t understand how to use it

C.  

Users won’t buy or use the software product because it lacks effectiveness, efficiency or satisfaction

D.  

Increased liability through risk to financial loss caused by a poorly designed or deceptive user interface

Discussion 0
Questions 8

What is the System Usability Scale (SUS)?

Options:

A.  

Testing to evaluate the degree to which the system can be used by specified users with effectiveness, efficiency and satisfaction in a specified context of use.

B.  

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.

C.  

A simple, ten-item attitude scale giving a global view of subjective assessments of usability.

D.  

A requirement on the usability of a component of system

Discussion 0
Questions 9

Which of the following elements are addressed by the WCAG?

i. Resizability of text

ii. Visually appealing design

iii. Text alternatives

iv. Keyboard accessibility

v. Mouse input

Options:

A.  

i & iii are true, ii, iv & v are false

B.  

i, ii, & iii are true, iv & v are false

C.  

iv & v are true, i, ii & iii are false

D.  

i, iii, iv & v are true, ii is false

Discussion 0
Questions 10

What does the Equality Act address?

Options:

A.  

It obligates organizations to make sites accessible at all costs

B.  

It protects people from discrimination in the workplace and in wider society

C.  

It states that websites have to adhere to the WCAG conformity level AA

D.  

It states that websites have to adhere to the WCAG conformity level A

Discussion 0
Questions 11

What’s the difference between an informal usability review and an expert usability review?

Options:

A.  

An expert usability review is a formal review, not an informal review

B.  

No formal usability qualifications are required for an informal usability review

C.  

Contrary to an expert review, an informal usability review is based on opinion

D.  

An informal review only requires one reviewer

Discussion 0
Questions 12

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

Options:

A.  

i is true, ii & iii are false

B.  

ii & iii are true, i is false

C.  

i & ii are true, iii is false

D.  

i, ii and iii are true

Discussion 0