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…
End-User Experience (EUX) refers to the overall perception, satisfaction, and emotional response a person has when interacting with a product, service, or system. It encompasses every touchpoint—from initial interaction to long-term use—and measures usability, accessibility, performance, aesthetics, and emotional engagement.…
Feature Inspection is a usability evaluation method where individual features of a product or application are systematically assessed for their usability, functionality, and effectiveness within the context of end-user tasks. Rather than evaluating the entire system holistically, feature inspection focuses…
Gestalt Principles (also known as the Laws of Gestalt or the Law of Simplicity) are perceptual rules that describe how people naturally organize visual elements into structured, unified wholes. Instead of seeing isolated parts, our brains group related elements, fill…
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.…
Holistic Understanding in User Experience (UX) refers to the comprehensive consideration of all elements that influence a user’s interaction with a product or service. This means looking beyond just the visual design or immediate usability and taking into account the…
Information Architecture (IA) in User Experience (UX) is the practice of organizing, structuring, and labeling content in a way that makes information easy to find, navigate, and understand. It serves as the blueprint for a digital product’s content structure, helping…
Internationalization (i18n) is the process of designing and developing a product—such as a website, application, or software platform—so that it can be easily adapted for different languages, regions, and cultural preferences without requiring significant engineering changes. The term “i18n” is…
Iterative Refinement is the continuous process of revisiting, revising, and enhancing solutions based on feedback, data, or calculated residuals. In UX and numerical computing, this method ensures that designs, systems, or calculations evolve through successive improvements to achieve optimal results…
Marketing Optimization is the strategic process of refining marketing efforts—including campaigns, content, targeting, and budget use—to maximize performance and return on investment (ROI). In the context of User Experience (UX), it focuses on enhancing the digital touchpoints that influence customer…