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.
How do designers improve their products to work around flaws in human logic? In The Design of Everyd...
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