Which of the following best describes a “mental

model”?

A user clicks on a button, but nothing seems to

happen. What is missing in this interaction design?

Which element is used in communication to indicate

system status?

What are benefits of using device-based controls?

Which elements are essential when building

personas in design?

Which user type typically benefits from

shortcuts and customization features?

Which of the following best defines "device-based

control"?

Which of the following can enhance visual structure in

UI design?

Which features improve the usability of a menu-based

interface?

A touchscreen ATM machine uses only small, dense

text-based menus. Users often select the wrong option. Which interaction issue

is most relevant here?