Peak-End Rule

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.

Postel’s Law

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

Selective Attention

The process of focusing our attention only to a subset of stimuli in an environment — usually those related to our goals.

Tesler’s Law

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.

Von Restorff Effect

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.

Working Memory

A cognitive system that temporarily holds and manipulates information needed to complete tasks.

Zeigarnik Effect

People remember uncompleted or interrupted tasks better than completed tasks.