Empirical Validation is the process of confirming design decisions, theories, or models through direct observation, measurement, and analysis of real-world user behavior and performance. In UX, it ensures that product designs are grounded in actual user data rather than assumptions…
HEART Framework is a UX metrics framework developed by Google that evaluates user experience across five key dimensions: Happiness, Engagement, Adoption, Retention, and Task Success. It helps product teams define measurable goals, understand user behavior, and guide data-driven design decisions.…