I have recently made a Twitter thread and felt I had to share it with our community here :)
The time to acquire a target is a function of the distance to and size of the target.
Meaning: make the most important objects more accessible
The time it takes to make a decision increases with the number and complexity of choices.
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.
Meaning: don't reinvent the weel
The average person can only keep 7 (plus or minus 2) items in their working memory.
Meaning: Don't bombard users with information!
A problem-solving principle that the simplest solution tends to be the right one. When presented with competing hypotheses to solve a problem, one should select the solution with the fewest assumptions.
Meaning: when in dilemma, choose the simplest choice
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.
Meaning: Do not over-engineer or over-refactor
Also known as The Isolation Effect, this effect predicts that when multiple similar objects are present, the one that differs from the rest is most likely to be remembered.
Meaning: contrast is useful!
People remember uncompleted or interrupted tasks better than completed tasks.
Meaning: don't be intrusive
Productivity soars when a computer and its users interact at a pace (<400ms) that ensures that neither has to wait on the other.
Meaning: performance matters!
The Pareto principle states that, for many events, roughly 80% of the effects come from 20% of the causes.
Meaning: Deal with the most important parts first!
Users have a propensity to best remember the first and last items in a series.
Meaning: Positioning matters! Position the most important objects first
Hope you found that useful!