What makes some digital interfaces feel intuitive while others leave us confused and frustrated? In this episode of HCI Explained, we explore the concept of usability, which is a fundamental aspect of Human-Computer Interaction. We examine the five key attributes of usability: learnability, efficiency, memorability, error prevention, and satisfaction. You will discover how designers assess usability, why it is important in every interaction, and how it relates to trust, delight, and accessibility. With real-world examples and practical insights, this episode will help you understand how great interfaces are designed—and why good usability often goes unnoticed until it is lacking.

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