"For us as designers, this means diving deeper into psychology and user cognition. For our users, applying these principles and laws translates into simpler, more intuitive interactions and a smoother overall experience. What may seem like ordinary observations or best practices from experienced designers are, in fact, scientific findings from the world of psychology. Researches we can easily integrate into our work to make our users' journey much simpler."
"The reason behind this lies in the Hick-Hyman Law, which states that the time required to make a decision increases with the number of available choices. In other words, the more options we offer our users, the harder it becomes for them to make a confident decision and the longer it takes. William Edmund Hick, in his study On the Rate of Gain of Information, examines entropy and bits in the context of perception."
Designers must apply psychological principles and user cognition to create simpler, more intuitive interactions and smoother experiences. Practical design draws on scientific findings such as the Hick-Hyman Law, Cognitive Load Theory, and Fitts's Law. The Hick-Hyman Law explains that decision time increases with the number of choices, so menus and option lists should be simplified. William Edmund Hick showed perception acts as a limited information channel; more informational bits require longer transmission time. Everyday examples, like restaurant menus, illustrate how reducing options and clarifying differences speeds decisions. Explaining these laws in plain terms aids practical application across interfaces.
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