Whether it's software, technical documentation, a cell phone, or a refrigerator, your customer expects your product to be easy to use. Completely updated with current industry best practices and more varied examples, it can give you that all-important marketplace advantage: products that perform the way users expect. The first part of the book introduces you to the overview of testing which covers the definition of the key terms and presents an expanded discussion of user-centered design and other usability techniques. As you progress, you’ll learn the various steps involved in performing a test. The later chapters explore the advanced testing methods and discuss how to extend one’s influence of the whole product development strategy. By the end of this book, you’ll have the exact knowledge to understand and improve the usability of your product.