UX Laws & Principles | UXGen Studio — Psychological UX Rules & Guidelines

Users remember the first and last items best, so place key actions there,

Design should reduce mental load, since users can only hold a few things in working memory at once.

A compressed model based on what we think we know about a system and how it works.

If you simplify too much, you'll transfer some complexity to the users

People notice items that stand out more

People remember incomplete tasks better than completed ones

Roughly 80% of the effects come from 20% of the causes

Users expect your site to work like the ones they already use.

Large and close elements are easier to interact with.

The tendency for people to become overwhelmed when presented with a large number of options.

Mental shortcuts that influence user decision-making and interaction with digital interfaces

A system's response time should be less than 400 milliseconds for users to remain engaged.

Users can only keep 7±2 items in their working memory

The total amount of mental effort required to complete a task

Describe how humans perceive visual information

More options lead to harder decisions

UX Laws