käytettävyysarviointiin

Käytettävyysarviointiin is a Finnish term that translates to "usability evaluation" in English. It refers to the systematic process of assessing how easy and effective a product, system, or service is to use for its intended users in a specific context. The primary goal of usability evaluation is to identify usability problems and areas for improvement to enhance the overall user experience.

There are various methods for conducting usability evaluations, ranging from simple heuristic evaluations and cognitive walkthroughs to more complex user testing with representative users. User testing involves observing actual users interacting with the system to perform specific tasks. This approach provides valuable insights into how users navigate, understand, and achieve their goals, as well as any difficulties they encounter.

Key aspects evaluated during a usability assessment include learnability, efficiency, memorability, error prevention and recovery, and user satisfaction. Learnability assesses how quickly new users can become proficient. Efficiency measures how quickly experienced users can perform tasks. Memorability is about how easily users can re-establish proficiency after a period of not using the system. Error prevention focuses on minimizing errors, and error recovery looks at how well users can recover from them. User satisfaction is a subjective measure of how pleasant the experience is.

The findings from a usability evaluation are typically documented in a report that outlines identified problems, their severity, and recommended solutions. This information is crucial for designers and developers to make informed decisions and iterative improvements, ultimately leading to more user-centered and successful products and services.