This informative text presents the fundamentals of evaluating teachers. It illustrates how research-based principles from the field of measurement and evaluation can be integrated into evaluation programs to improve classroom instruction. It teaches students to select or design a method, or complex of methods, for evaluating teaching according to situations and circumstances and shows how to implement chosen methods. Using a sequence of examples, scenarios, illustrations, self-assessment exercises, and narrative explanations, it teaches the reader how to apply sound measurement and evaluation principles.