Vitaly Friedman explains how decision trees can simplify and organize design decisions for UI components. These tools give teams a clear, step-by-step way to figure out when and how to use specific elements, like form fields, navigation patterns, or onboarding flows. By reducing confusion and standardizing practices, decision trees help ensure designs are consistent and user-focused by reducing confusion and standardizing practices.
Real-world examples from companies like Doctolib, Workday, and Lyft showcase how decision trees are used for error handling, form design, and more. It emphasizes the importance of asking the right questions before pursuing solutions so that decisions truly meet user needs. By incorporating decision trees into the workflow, teams can resolve debates faster, create cohesive designs, and improve the overall user experience.