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ISTQB CT-UT Exam - Topic 7 Question 18 Discussion

You're defining usability test tasks for a web shop for mobile phones and smartphones. Finding out whether users are able to place an order easily has been identified as the main goal of the usability test.Which of the following is a reasonable task definition to include in the test?
B) Your phone broke and you're looking for a new smartphone. Your budget is 200$ and it should have an infrared sensor as you like to operate your home entertainment system with it. Find a suited smartphone and order it!
A) ut the first phone you find in your shopping cart!
C) Enter the item number ''1469483'' in the search box and click ''OK''. Put the first item in the cart by clicking ''add to bag''. Then, click on ''checkout'' in order to start the order process. After that, fill in the form and click on ''submit''.
D) Which mobile operating system do you prefer?

ISTQB CT-UT Exam - Topic 7 Question 18 Discussion

Actual exam question for ISTQB's CT-UT exam
Question #: 18
Topic #: 7
[All CT-UT Questions]

You're defining usability test tasks for a web shop for mobile phones and smartphones. Finding out whether users are able to place an order easily has been identified as the main goal of the usability test.

Which of the following is a reasonable task definition to include in the test?

Show Suggested Answer Hide Answer
Suggested Answer: B

A well-defined usability task uses a realistic scenario and goal (''find a suited smartphone within your $200 budget with infrared sensor and order it''), without prescribing exact clicks. This lets you observe how users naturally navigate, search, and complete the order process - directly measuring the main goal of placing an order.


by Freida at Jun 22, 2026, 01:17 PM

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France
7 hours ago
D seems irrelevant to the task of placing an order. It doesn't really test usability in the context of the shopping experience.
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Elly
5 days ago
I think C is too detailed. It might lead users through a scripted process instead of letting them explore naturally.
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Lindsay
11 days ago
I'm not sure if A is specific enough. Just saying "put the first phone in your cart" feels too vague for a usability test.
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Charlena
16 days ago
I remember we discussed how task definitions should reflect real user scenarios. Option B seems to fit that well.
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