¿Qué es Usabilidad Web?
What is Usability in User Experience Design?
Introduction to Usability
- The speaker, Eugenia, introduces the topic of usability in user experience (UX) and interaction design, emphasizing that design is not just about aesthetics but also functionality.
- Usability is defined as a neologism derived from the English term "usability," meaning ease of use. It originated in technology contexts and refers to how well users can interact with an interface or object.
Understanding Usability
- The concept of usability encompasses the degree to which a user can effectively interact with an interface, highlighting that usability depends on both the characteristics of the design and the user's context.
Real-Life Example of Usability Error
- Eugenia shares a personal experience where she encountered a usability error while trying to log into an airline's website; clicking the login button redirected her to a promotional page instead.
- This incident raises questions about what constitutes a usability error: if users cannot complete their tasks due to design flaws, it reflects poor usability regardless of whether it was intentional or accidental.
Components of Usability
- Five key components define usability:
- Ease of Use: How easily users can perform tasks upon first encountering the design.
- Efficiency: Once familiar with the design, how effectively users can accomplish additional tasks.
- Learnability: The intuitiveness of the design; quick reacquaintance after periods without interaction indicates good learnability.
- Errors: Evaluating both frequency and severity of errors, including whether users can recover from them.
- Satisfaction: Overall user satisfaction influences whether they will return to use the product again.
Importance and Improvement of Usability
- The significance of usability lies in its direct impact on user retention; if something is difficult to use, people will abandon it quickly.
- To enhance usability, conducting usability tests helps identify errors and understand user needs better. These tests are crucial for improving designs iteratively throughout development.
Heuristics for Assessing Usability
- Jakob Nielsen's heuristics provide guidelines for evaluating usability through ten principles. However, these should be applied cautiously within specific contexts rather than universally accepted as absolute rules.
Continuous Testing for Better Design
- It's essential to integrate usability testing throughout all stages of design development. Regular testing ensures that new features remain easy for users to navigate and utilize effectively.