A. Users must be able to withdraw money twice as quickly as before

B. Users must have a feeling of complete privacy when using the cash machine

C. Only users with a genuine bank card must be allowed to withdraw money Fake or stolen bank cards must be retained by the cash machine.

D. Users who are blind must be able to withdraw money without help from another person

E. Users must be able to withdraw money with any valid national or foreign bank card

F. Users who request a receipt must be able to understand it

A. Users spontaneously said that they considered the animated ads that appear in the right-hand side of most pages annoying

B. Users liked the modern look of the website

C. When asked to purchase tickets to Worcester, about 25% of the users gave up because they were unable to spell Worcester correctly and the search for station names was not error tolerant

D. All users were able to purchase return tickets from Oxford to London very quickly

E. Users with limited vision spent a lot of time reading the tiny fonts used on the website

F. Only 2 out of 12 users were able to figure out how to obtain a refund for a ticket that they had purchased previously

A. Card sorting

B. Storyboard

C. Focus group

D. Heuristic evaluation of a high-fidelity prototype

E. Contextual interview

F. Heuristic evaluation of a low-fidelity prototype

A. Certain characteristics of the user interface can be adjusted by the user, for example, colour, text size, and contrast

B. The icons used in the office suite are easily understood by users

C. Most error messages are not constructive

D. Test participants had problems locating the search function because the icon is unobtrusive and hidden

E. Help is written in a small font that is difficult to read for people whose eyesight is not perfect

F. Test participants liked the fact that "undo" is available

A. Dialogue principles and heuristics are general guidance for the design of usable boot technologies.

B. Dialogue principles and heuristics are general guidance for the design of the system architecture.

C. Dialogue principles and heuristics are general guidance for the design of usable dialogues.

D. Dialogue principles and heuristics are general guidance for the design of usable programming interfaces