QUESTION: 45

Select the three types of usability evaluation:

usability test
usability inspection
user interview
user survey
persona matching
E, GUI testing

Answer(s): A,B,D

Explanation:

Usability evaluation
A process through which information about the usability of an interactive system is gathered in order to improve the interactive system (known as formative usability evaluation) or to assess the merit or worth of an interactive system (known as summative usability evaluation).

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QUESTION: 46

Which one of the following must be included in a human-centred design process?

A clear commitment from management to usability and human-centred design
An interest from management in innovation
Analysis of competitors' products to understand potential pitfalls
Involvement of users throughout the design process
Regular demonstrations to users of the evolving interactive system
Exact timelines for usability milestones so progress can be monitored

Answer(s): D

Explanation:

Human-centred design is an approach to design that aims to make interactive systems more usable by focusing on the use of the interactive system and applying usability knowledge and methods. Human-centred design is based upon an explicit understanding of users, goals, tasks, resources and environments. Users are involved throughout the design. The design is driven and refined by usability evaluation. The process is iterative - that is, it continues until the user requirements are met. The design addresses the whole user experience (UX). Human-centred design means planning for iterations, getting user feedback as early and as often as possible. It is perfectly acceptable to run through the iterations often with lightweight UX deliverables, for example in agile development.
An approach to design that aims to make interactive systems more usable by focusing on the use of the interactive system and applying human factors, ergonomics and usability knowledge and methods. Notes: 1. The concept "human-centred design" is used instead of "user-centred design" to emphasise the need to consider additional stakeholders who may not be users. 2. Feedback from users through usability evaluation is a critical source of information in human-centred design.

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QUESTION: 47

Which one of the following methods is NOT suitable for determining the context of use of a cash machine?

Present the idea of the new cash machine to representative bank customers
Interview front-line bank clerks
Interview users of a current cash machine
Observe users while they are using a current cash machine
Conduct usability tests with cash machines from competitors
Conduct focus groups regarding user needs for future cash machines

Answer(s): A

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QUESTION: 48

Which one of the following statements best describes the purpose of a focus group?

To gather focused information from a group of users in a usability test session
To gather contextual information relating to user needs without interfering with users' work
To collect contextual information relating to user needs by talking to users with particular focus on a user group
To gather ideas for personas and scenarios
To discuss a set of questions on specific topics
To evaluate an interactive system

Answer(s): E

Explanation:

Focus group
A focused discussion where a moderator leads a group of participants through a set of questions on specific topics.
Note: Do not use focus groups for usability evaluation. Focus groups are about attitude and opinion. In comparison, usability tests are about observing actual user behaviour.

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QUESTION: 45

Explanation:

QUESTION: 46

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QUESTION: 47

QUESTION: 48

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