Mobile App Design UI Design Principles & Visual Hierarchy 2

Question 1

Which principle suggests that users prefer interfaces with fewer, well-organized choices to reduce cognitive load?

Accepted Answer

Hick's Law

Answer

Hick's Law states that decision time increases with the number and complexity of choices presented.

Question 2

What is the role of negative space (white space) in mobile UI design?

Accepted Answer

It reduces visual clutter and improves content readability

Answer

Negative space separates elements, reduces clutter, and directs user focus to the most important content.

Question 3

According to Fitts's Law, which placement of a primary action button makes it easiest to tap on a phone?

Accepted Answer

Bottom of the screen within thumb reach

Answer

Fitts's Law states that large targets close to the user's natural position are fastest to reach — the bottom thumb zone qualifies on mobile.

Question 4

What is 'affordance' in the context of mobile UI design?

Accepted Answer

A visual cue that suggests how an element should be interacted with

Answer

Affordance refers to design properties that signal to users how an object can or should be used.

Question 5

Which of the following best describes the F-pattern reading behavior on mobile screens?

Accepted Answer

Users focus most attention on the top and left of content in horizontal sweeps

Answer

Eye-tracking research shows users often scan content in an F-pattern, reading across the top then scanning down the left side.

Mobile App Design Practice Test