The first edition of Richard Wolf's volume was written during the infancy of the field of evaluation. Fifteen years later, educational evaluation is now an established field which has gone through considerable changes. Enduring the test of time, the value of Wolf's ideas remains constant. This third edition is an extension and refinement of his ideas. He continues to avoid the entanglement of unwarranted ideological positions. Instead he identifies basic questions addressed in a study and the classes of information needed to answer those questions. New material, including a new chapter, act...
The first edition of Richard Wolf's volume was written during the infancy of the field of evaluation. Fifteen years later, educational evaluation is n...