Make nursing research approachable with the authoritative resource for nursing graduate students. This best-selling text features the latest methodologic innovations in nursing, medicine, and the social sciences delivered in a user-friendly writing style to help students master research methods, confidently critique research reports, and apply evidence-based findings in clinical practice. The extensively revised 11th Edition retains the helpful features, pedagogy, and clean design that have made the book a classic and introduces two new chapters reflecting the growing importance of applicability, generalizability, relevance, and quality improvement and improvement science. NEW! Quality Improvement and Improvement Science chapter provides methods and frameworks to help students develop and assess improvement projects. NEW! Applicability, Generalizability, and Relevance: Toward Practice-Based Evidence chapter details cutting-edge strategies to meet the growing need for patient-centered, practice-based evidence. UPDATED! Revised content throughout reflects the latest methodologic approaches to ranking evidence, verifying systematic reviews, using meta-aggregation, and more. Critical appraisal guidelines help students focus on specific aspects of a report for the most effective appraisal. Clear, user-friendly writing style introduces concepts logically and clarifies difficult ideas. Specific research tips translate abstract notions into practical strategies to help students confidently apply chapter lessons in real-life situations. Research examples throughout the text illustrate key points and stimulate critical thinking. A comprehensive index provides fast, efficient access to precise information. Tables, figures, and bulleted summaries reinforce essential chapter concepts at a glance.