Which usability metric is most appropriate for measuring effectiveness as defined by ISO 9241-11?

System Usability Scale (SUS) score

A dashboard for a financial trading platform displays real-time data. Users have complained that the numbers are hard to read and they sometimes misread values. According to ISO 9241-12, which presentation change would most improve readability?

Add more colors to differentiate data series

Increase contrast between text and background

Remove all gridlines to reduce clutter

Use a smaller font to fit more data on screen

According to ISO 9241-11, which definition best describes 'effectiveness' in usability?

The resources expended in relation to the accuracy and completeness with which users achieve goals.

The accuracy and completeness with which users achieve specified goals.

The degree to which a product can be used by people with the widest range of capabilities.

The extent to which a product can be used by specified users to achieve specified goals with satisfaction.

What is the purpose of conducting a context of use analysis in human-centred design?

To determine the cost of development

To select the programming language

To understand the users, tasks, and environment in which the product will be used

Which of the following is a consideration when assessing ICT products for accessibility according to ISO 9241-20?

Compatibility with assistive technologies

Certified Tester Usability Testing

Domain 3Objective 3

ISO Standards CT-UT Practice Questions (Page 11)

Part of the Usability and Accessibility Standards domain, which makes up ~15% of our current practice bank. ISTQB does not publish an official question count, but from its 60-minute exam (~25–40 total, ~4–6 in this domain), expect 1–1 from this objective — we provide 65 practice questions to prepare you well beyond it. (estimate)

65questions here

13free pages

26concepts

26 Concepts in This Objective

ISO 9241-11 Usability Definition
ISO 9241-210 Human-Centred Design
ISO/IEC 25010 Quality in Use
ISO 9241-110 Dialogue Principles
ISO 9241-171 Accessibility
ISO 9241-20 Accessibility of ICT
ISO 9241-11 Context of Use
ISO 9241-12 Presentation of Information
ISO 9241-13 User Guidance
ISO 9241-14 Menu Dialogues
ISO 9241-15 Command Dialogues
ISO 9241-16 Direct Manipulation Dialogues
ISO 9241-17 Form-Filling Dialogues
ISO 9241-151 Web User Interfaces
ISO 9241-171 Accessibility Requirements
ISO 9241-20 Accessibility of ICT Products
ISO 9241-11 Usability Measurement
ISO 9241-210 Context of Use Analysis
ISO 9241-210 User Requirements Specification
ISO 9241-210 Design Solutions
ISO 9241-210 Evaluation
ISO/IEC 25010 Quality Model
ISO/IEC 25062 Usability Test Reports
ISO 9241-11 Satisfaction
ISO 9241-11 Effectiveness
ISO 9241-11 Efficiency

Questions 51–55

51foundation · easy
Which usability metric is most appropriate for measuring effectiveness as defined by ISO 9241-11?
Select an answer first
52application · medium
A dashboard for a financial trading platform displays real-time data. Users have complained that the numbers are hard to read and they sometimes misread values. According to ISO 9241-12, which presentation change would most improve readability?
Select an answer first
53foundation · easy
According to ISO 9241-11, which definition best describes 'effectiveness' in usability?
Select an answer first
54foundation · easy
What is the purpose of conducting a context of use analysis in human-centred design?
Select an answer first
55foundation · easy
Which of the following is a consideration when assessing ICT products for accessibility according to ISO 9241-20?
Select an answer first

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