Investing time, energy, and money in a usability test pays off when the data you collect answer your questions. Who makes sure usability tests meet their information-gathering goals? The project manager, who has to be ready to solve the many problems that inevitably arise. The paper assumes the reader has taken a course on usability methods or has conducted a usability test with the assistance of a professional in the field.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">&gt;</ETX>