Feedback helps users understand the system from "summary" of The Design of Everyday Things Indian ed. by Don Norman
Feedback is an essential element in the design of any system, as it provides users with valuable information about the system's state and the effects of their actions. Without feedback, users would be left in the dark, unsure of whether their actions are having the desired effect. Feedback helps bridge the gap between the user's mental model of the system and the actual system itself. It provides users with a sense of control and agency, allowing them to make informed decisions and adjust their behavior accordingly. Feedback comes in many forms, ranging from visual indicators to auditory signals to tactile cues. Each form of feedback serves a specific purpose and is designed to convey information in a clear and intuitive manner. For example, a progress bar provides visual feedback on the status of a task, while a beep or vibration indicates that an action has been completed successfully. By using a combination of different feedback modalities, designers can ensure that users receive information in a way that suits their preferences and capabilities. In addition to providing information about the system's state, feedback also helps users understand the causal relationships between their actions and the system's response. By receiving feedback in real-time, users can quickly learn how to operate the system effectively and efficiently. This iterative process of action-feedback-action is essential for skill acquisition and mastery, allowing users to develop a mental model of the system and make better decisions in the future. Furthermore, feedback can also serve as a form of error prevention, alerting users to potential mistakes before they occur. By providing immediate feedback on incorrect actions, designers can help users avoid costly errors and minimize frustration. For example, a warning message that appears when a user tries to delete a file can prevent accidental data loss and ensure a positive user experience.- Feedback plays a crucial role in helping users understand the system and interact with it effectively. By providing timely and relevant information, feedback empowers users to navigate the complexities of the system with confidence and ease. Designers must carefully consider the design of feedback mechanisms to ensure that they are clear, informative, and user-friendly. By incorporating feedback into the design process, designers can create systems that are intuitive, efficient, and enjoyable to use.
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