This is a leading textbook of nursing research written by two of the most renowned experts in the field. Now published in full-color, the 4th edition has been updated throughout to reflect today's emphasis on evidence-based practice. Format and features have been carefully refined, enhancing the book's readability and bringing into sharper focus the research examples and critiques that help students better understand the concepts covered in the text. The 4th edition also features an enhanced emphasis on the emerging, cost-driven field of outcomes research, as well as an improved balance of quantitative and qualitative research. In addition to the student and faculty ancillaries, a companion Nursing Research Online course is now available for separate purchase with this edition.