Thousands of public relations (PR) students and professionals have relied on this authoritative text to understand the key role of research in planning and evaluating PR campaigns. Revised and expanded to reflect today's emphasis on standards-based practice, the third edition has a heightened emphasis on setting baselines, creating benchmarks, and assessing progress. Stacks presents step-by-step guidelines for using a wide range of qualitative and quantitative methods to track output, outtakes, and outcomes, and shows how to present research findings clearly to clients. Every chapter features review questions and a compelling practice problem. PowerPoint slides for use in teaching are provided at the companion website. Instructors requesting a desk copy also receive a supplemental Instructor's Manual with a test bank, suggested readings, and case studies.