"Multimedia instruction refers to communications involving words and pictures that are intended to foster learning. How can we design effective multimedia instruction? In this book I review principles of instructional design that are based on experimental research studies carried out by my colleagues and me and that are grounded in a theory of how people learn from words and pictures, which I call the cognitive theory of multimedia learning. In short, the premise underlying this book is that the design of multimedia instruction should be based on research evidence and grounded in learning theory. If you are interested in an evidenced-based and theory-grounded approach to multimedia instructional design, then this book is for you"--