Conceptual descriptions of analytic procedures used in EBP as well as tables that demonstrate simple calculations Algorithm for choosing a statistical procedure based on a study's design Diagrams that help students understand experimental and observational design variations Guidelines for critical appraisal of various types of studies Focus on sensitivity/specificity and likelihood ratios, number needed to treat, and measuring clinically meaningful change Special features that illustrate how research applies to practice, including, "Case-in Point," "Fun Facts," "Historical Notes," and end-of-chapter 'take-away' commentaries from the author