Design Principles

Hick’s Law

The time it takes to make a decision increases as the number of alternatives increases.

Hick’s Law states that the time it takes to make a decision increases with the number of options available. It highlights the importance of simplifying choices in decision-making scenarios, especially in systems requiring quick responses. While the law applies primarily to simple decision tasks, its relevance decreases as task complexity increases.

Takeaways

Minimize Options for Quick Decisions: In time-sensitive situations, reduce the number of choices to enhance decision speed and accuracy.
Recognize Task Complexity: Hick’s Law is most effective for simple tasks; avoid over-applying it to complex scenarios that require reading and problem-solving.
Design with User Efficiency in Mind: Apply Hick’s Law when creating menus, controls, and signage, ensuring users can make decisions efficiently.

Aesthetic-Usability Effect

Chuncking

Alignment