A Heuristic is a simple principle or “rule of thumb”. A Heuristic Evaluation is one where an evaluator or group of evaluators walks through the design of an interface and decides whether or not it complies with these “rules of thumb”. There are some advantages and disadvantages to this methodology:Good Reasons to Use Heuristic Evaluation It’s fast, quick and cheap to conduct a heuristic evaluation. This is especially true if you are only going to use a single evaluator. It provides good insight into possible usability problems that might damage the user experience. Reasons to be Cautious about Using Heuristic Evaluations A single evaluator may miss issues that are not readily apparent to t...