Laws of UX

Question 1

How many Laws of UX are there?

Answer 1

20

Question 2

What are the first 5 laws of UX?

Answer 2

Aesthetic Usability Effect
Doherty Threshold
Fitts’s Law
Hick’s Law
Jakob’s Law

Question 3

What are all the laws of UX that start with “Law”

Answer 3

Law of Common Region
Law of Prägnanz
Law of Proximity
Law of Similarity
Law of Uniform Connectedness

Question 4

What are the 3rd group of Laws of UX (11+)

Answer 4

Miller’s Law
Occam’s Razor
Pareto Principle
Parkinson’s Law
Peak-End Rule

Question 5

What is the final group of laws? (16+)

Answer 5

Postel’s Law
Serial Position Effect
Tesler’s Law
Von Restorff Effect
Zeigarnik Effect

Question 6

What is the Aesthetic Usability Effect?

Answer 6

Users often perceive aesthetically pleasing design as design that’s more usable.

Question 7

What is the Doherty Threshold?

Answer 7

Productivity soars when a computer and its users interact at a pace (<400ms) that ensures that neither has to wait on the other.

Question 8

Fitt’s Law

Answer 8

The time to acquire a target is a function of the distance to and size of the target.

Question 9

Hick’s Law

Answer 9

The time it takes to make a decision increases with the number and complexity of choices.

Question 10

Jakob’s Law

Answer 10

Users spend most of their time on other sites. This means that users prefer your site to work the same way as all the other sites they already know.

Question 11

Law of Common Region

Answer 11

Elements tend to be perceived into groups if they are sharing an area with a clearly defined boundary.

Question 12

Law of Prägnanz

Answer 12

People will perceive and interpret ambiguous or complex images as the simplest form possible, because it is the interpretation that requires the least cognitive effort of us.

Question 13

Law of Proximity

Answer 13

Objects that are near, or proximate to each other, tend to be grouped together.

Question 14

Law of Similarity

Answer 14

The human eye tends to perceive similar elements in a design as a complete picture, shape, or group, even if those elements are separated.

Question 15

Law of Uniform Connectedness

Answer 15

Elements that are visually connected are perceived as more related than elements with no connection.

Question 16

Miller’s Law

Answer 16

The average person can only keep 7 (plus or minus 2) items in their working memory.

Question 17

Occam’s Razor

Answer 17

Among competing hypotheses that predict equally well, the one with the fewest assumptions should be selected.

Question 18

Pareto Principle

Answer 18

The Pareto principle states that, for many events, roughly 80% of the effects come from 20% of the causes.

Question 19

Parkinson’s Law

Answer 19

Any task will inflate until all of the available time is spent.

Question 20

Peak-End Rule

Answer 20

People judge an experience largely based on how they felt at its peak and at its end, rather than the total sum or average of every moment of the experience.

Question 21

Postel’s Law

Answer 21

Be liberal in what you accept, and conservative in what you send.

Question 22

Serial Position Effect

Answer 22

Users have a propensity to best remember the first and last items in a series.

Question 23

Tessler’s Law

Answer 23

Tesler’s Law, also known as The Law of Conservation of Complexity, states that for any system there is a certain amount of complexity which cannot be reduced.

Question 24

Von Restorff Effect

Answer 24

The Von Restorff effect, also known as The Isolation Effect, predicts that when multiple similar objects are present, the one that differs from the rest is most likely to be remembered.

Question 25

Zeigarnik Effect

Answer 25

People remember uncompleted or interrupted tasks better than completed tasks.