UX Design

The process of supporting user behaviour through usability, usefulness, and desirability provided in the interaction with a product.

UX Design

The process of supporting user behaviour through usability, usefulness, and desirability provided in the interaction with a product.

Donald A. Norman – Most people are unaware of their true needs

Most people are unaware of their true needs

The trained observer can often spot difficulties and solutions that even the person experiencing them does not consciously recognize. It is because most people are unaware of their true needs, and discovering them requires careful observations in their natural environment.

Design Principles – Constrains simplify usability and minimize errors

Constraints limit the possible actions that can be performed on a system. For example, dimming or hiding options that are not available at a particular time effectively constrains the options that can be selected. Proper application of constraints in this fashion makes designs easier to use and dramatically reduces the probability of error during interaction. Constrains simplify usability and minimize errors.

Donald Arthur Norman

I invented the term (UX Architect) because I thought human interface and usability were too narrow. I wanted to cover all aspects of the person’s experience with a system, including industrial design, graphics, the interface, the physical interaction, and the manual.

Donald A. Norman
Donald A. Norman

An American researcher, professor, and author (The Design of Everyday Things). As Apple’s User Experience Architect (90's), he became the first person to have UX in his job title.

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The cost-benefit principle in UX Design

The quality of every design aspect can be measured using the cost-benefit principle

If the costs associated with interacting with a design outweigh the benefits, the design is poor. If the benefits outweigh the costs, the design is good.

For example: How long is too long for a person to wait for a web-page to load? The answer to this question is that it depends on the benefit of the interaction.