UX Design

Cognitive Bias

A systematic pattern of deviation from norm or rationality in judgment.

Confirmation Bias

The tendency to search for, interpret, favor, and recall information in a way that confirms one’s preexisting beliefs or hypotheses.

Anchoring Bias

The common human tendency to rely heavily on the first piece of information encountered when making decisions.

Hindsight Bias

The inclination to see events as having been predictable after they have already occurred.

Availability Heuristic

A mental shortcut that relies on immediate examples that come to a person's mind when evaluating a specific topic or decision.

Bandwagon Effect

The tendency for people to adopt certain behaviors, follow trends, or purchase items primarily because others are doing so.

Peak-End Rule

A psychological heuristic in which people judge an experience largely based on how they felt at its peak and its end.

Loss Aversion

The tendency to prefer avoiding losses to acquiring equivalent gains; it's better to not lose $5 than to find $5.

Status Quo Bias

A preference for the current state of affairs, and the belief that any change would be for the worse.

Framing Effect

The way information is presented can affect decision making and judgment.

Planning Fallacy

The tendency to underestimate the time, costs, and risks of future actions while overestimating the benefits.

Decoy Effect

A phenomenon in which consumers change their preference between two options when presented with a third option that is asymmetrically dominated.

Sunk Cost Fallacy

The tendency to continue an endeavor once an investment in money, effort, or time has been made.

Social Proof

A psychological phenomenon where people assume the actions of others in an attempt to reflect correct behavior in a given situation.

Authority Bias

The tendency to attribute greater accuracy to the opinion of an authority figure.

Bystander Effect

The phenomenon where individuals are less likely to help a victim when other people are present.

User-Centered Design

An iterative design process that focuses on the needs, wants, and limitations of the end user.

Heuristic Evaluation

A usability inspection method for computer software that helps to identify usability problems in the user interface.

Cognitive Load

The total amount of mental effort being used in the working memory.

Accessibility

The design of products, devices, services, or environments for people with disabilities.

Iterative Design

A design methodology based on a cyclic process of prototyping, testing, and refining.