At least 80% of 25 users who use the website for the first time must be able to rent a car within 10 minutes

The company logo must appear in the top left-hand corner of each web page

The website must be at least as usable as those of the two main competitors

The website must have a help system

The colour scheme of the website must reflect the standard colours of the company

Users must be able to cancel a reservation

usability test

usability inspection

user interview

user survey

persona matching

E, GUI testing

1. 3. 2. 6. 5. 4. 7 or repeat

6. 3. 2. 1. 5. 4. 7 or repeat

6. 2. 3. 1. 5. 4. 7 or repeat

6. 3. 2. 1. 4. 5. 7 or repeat

6. 3. 2. 5. 4. 7. 2 or repeat

6. 3.2.4.5. 1.7 or repeat

To provide a very early tangible basis for discussions about what the future interactive system could be like for the user, before prototypes are constructed

To obtain a deep understanding of the context of use, user needs and user requirements

To identify where encounters between the user and the interactive system happen

To guide usability test participants who get stuck during a usability test

To communicate important information about users gathered during observation and interviews to interested stakeholders in a popular and efficient way

To gather information about users, goals, tasks, resources and environments - that is, how things are currently done

Positive finding

Minor problem

Major problem

Critical problem

Essential problem (must be fixed regardless of cost)

Catastrophic problem (life-threatening problem)

Qualitative user requirements set measurable goals for usability and user experience.

Qualitative user requirements address the way in which the interactive system is used to arrive at a user goal

Qualitative user requirements address the way in which the system is designed

Qualitative user requirements provide a basis for the design of the interactive system and can be verified by evaluating the interactive system.

Qualitative user requirements qualify the need for the user requirement in question

Qualitative user requirements set measurable design on quantitative user requirements

Closed

Formative

Leading

Neutral

Open

Summative

Expectation /Anticipated use

The interactive system

Fulfillment of expectations /After use

Human-centred design

Actual use

Quality objectives

A group of users whose personal characteristics and context of use with respect to the interactive system are similar or identical

A collection of personas whose personal characteristics and context of use with respect to the interactive system are similar or identical

Agroup of participants in a usability test whose personal characteristics and context of use with respect to the interactive system are similar or identical

Agroup of participants in a focus group whose personal characteristics and context of use with respect to the interactive system are similar or identical

A description of a fictitious but realistic group of users and what they intend to do when using an interactive system

A description of a group of users and what they want to do when using the interactive system

Contextual interview

Focus group

Heuristic evaluation of a low-fidelity prototype

Heuristic evaluation of a high-fidelity prototype

Card sorting

Storyboard