Knowing the state of a system is essential for user interaction from "summary" of The Design of Everyday Things by Don Norman
Knowing the state of a system is essential for user interaction. When users are interacting with a system, it is crucial for them to understand what is happening at any given moment. This knowledge allows users to make informed decisions and take appropriate actions based on the current state of the system. Without this information, users may become confused, frustrated, or make mistakes that could have been easily avoided. Imagine a situation where a user is trying to perform a task on a computer, but the system does not provide any feedback on whether the task has been completed successfully or not. The user is left in the dark, unsure of what to do next or whether they need to try again. This lack of feedback can lead to uncertainty and anxiety, making the interaction with the system a frustrating experience. On the other hand, when a system provides clear and timely feedback on its state, users can proceed with confidence. They know what to expect and can adjust their actions accordingly. For example, a progress bar that shows how far along a task is can help users estimate how much longer they need to wait. This simple visual indicator can make a significant difference in the user experience. In the design of everyday things, it is important to consider how to communicate the state of a system effectively to users. This can be done through visual cues, auditory signals, or tactile feedback, depending on the nature of the system and the preferences of the users. By providing feedback that is clear, consistent, and easy to understand, designers can enhance the usability of a system and improve the overall user experience.- Knowing the state of a system is essential for user interaction. By keeping users informed and empowered, designers can create systems that are intuitive, user-friendly, and ultimately more satisfying to use.
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