What is a clear and concise definition for evaluation that is consistent with those developed by the leaders in the field? In what ways is evaluation different than research in its purpose, foundations, and outcomes? What kinds of roles does evaluation play in public education and in society in general? What is the difference between formal and informal evaluation? What are some examples of each? What is the difference between formative and summative evaluation? What are some examples of each? What are the attributes and limitations of external and internal evaluations? What combinations of internal, external, formative, and summative evaluations work for various applications