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Essentials of Nursing Research is designed to teach students how to read, understand, analyze, and evaluate research reports in nursing practice. The Seventh Edition has been updated with stronger coverage of evidence-based practice, including content on how to read, interpret, and critique systematic reviews, which are considered by many to be a cornerstone of evidence-based practice. Also included in the Seventh Edition a more balanced presentation of medical and social science methods and nomenclature enhanced coverage of qualitative research and more! About the Author Denise F Polit - PhD, FAAN, President, Humanalysis, Inc., Saratoga Springs, NY; Professor, Griffith University School of Nursing, Gold Coast, Australia Cheryl T Beck - DNSc, CNM, FAAN, Distinguished Professor, School of Nursing, University of Connecticut, Storrs, CT Table of Contents Part 1: Overview of Nursing Research and Its Role in Evidence-Based Practice Introduction to Nursing Research in an Evidence-Based Practice Environment Evidence-Based Nursing Practice: Fundamentals Key Concepts and Steps in Qualitative and Quantitative Research Reading and Critiquing Research Reports Ethics in Research Part 2: Preliminary Steps in the Appraisal of Evidence Research Problems, Research Questions, and Hypotheses Literature Reviews: Finding and Reviewing Research Evidence Theoretical and Conceptual Frameworks Part 3: Designs for Nursing Research Quantitative Research Designs Qualitative Designs and Approaches Specific Types of Research Sampling Plans Part 4: Data Collection Data Collection Methods Measurement and Data Quality Part 5: Data Analysis and Interpretation Statistical Analysis of Quantitative Data Rigor and Interpretation in Quantitative Research Analysis of Qualitative Data Trustworthiness and Integrity in Qualitative Research Systematic Reviews: Meta-Analysis and Metasynthesis Methodologic and Theoretical References Glossary Glossary of Selected Statistical Symbols Appendices: Research Reports A. The Relationships among Anxiety, Anger, and Blood Pressure in Children The Anniversary of Birth Trauma