How can human-centered design improve the functionality of everyday products?

The effectiveness of a product's design can be measured in several ways. One of the most common methods is user testing, where the product is given to users to see how well they can use it. This can help identify any issues with the design that may not be immediately apparent. Another method is to look at the product's sales figures. If a product is selling well, it's likely that the design is effective. However, this isn't always the case, as other factors can also influence sales. Finally, feedback from customers can also be a valuable source of information about the effectiveness of a product's design.

Designers can improve their products by focusing on user experience and functionality over aesthetics. They can conduct user testing to understand the needs and preferences of the users. They can also simplify the design by removing unnecessary features and making the product intuitive to use. Additionally, they can consider the context in which the product will be used to ensure it fits seamlessly into the user's life.

The design of everyday things can be made less confusing for users by focusing on user-friendly design principles. This includes simplicity, intuitiveness, and functionality. Designers should prioritize the user's needs and experiences over aesthetics or adding unnecessary features. Feedback from users can also be invaluable in improving design.