Useful means it should have a practical purpose. “Useful” is in the eye of the beholder and things can be deemed “useful” even if they deliver non-practical benefits such as being found enjoyable or adding to the aesthetic appeal.

New York University

University of Michigan - Ann Arbor

- Accessible
- Credible
- Desirable
- Findable
- Useful
- Usable
- Valuable

The 7 Factors that Influence User Experience

https://www.interaction-design.org/literature/article/the-7-factors-that-influence-user-experience

Interaction Design Foundation

Useful

Usability is concerned with enabling users to effectively and efficiently achieve their end objective with a product. 

Products can succeed if they are not usable but they are less likely to do so. Poor usability is often associated with the very first generation of a product 

Usable

Findable refers to the idea that the product must be easy to find and in the instance of digital and information products; the content within them must be easy to find too. If you cannot find a product, you’re not going to buy it and that is true for all potential users of that product. Findability is vital to the user experience of many products.

Findable

Credibility relates to the ability of the user to trust in the product that you’ve provided. Not just that it does the job that it is supposed to do but that it will last for a reasonable amount of time and that the information provided with it is accurate and fit-for-purpose.

Credible

Desirability is conveyed in design through branding, image, identity, aesthetics and emotional design. The more desirable a product is – the more likely it is that the user who has it will brag about it and create desire in other users.

Desirable

The product must deliver value to the business which creates it and to the user who buys or uses it. Without value it is likely that any initial success of a product will eventually be undermined. Designers should bear in mind that value is one of the key influences on purchasing decisions. 

Valuable

Accessibility is concerned with the quality of being easy to use and understand.

Design for accessibility is often seen by companies as a waste of money because the impression is that people with disabilities make up a small segment of the population. 

When you design for accessibility, you will often find that you create products that are easier for everyone to use not just those with disabilities. Don’t neglect accessibility in the user experience.

Finally, accessible design is now a legal obligation in many jurisdictions including the EU and failure to deliver it may result in fines. In The USA, there have been instances in which companies have been sued due to their failure in complying with the Americans with Disabilities Act on the topic of accessibility of their designs.

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