Research design is of critical importance in social research, despite its relative neglect in many methods resources. Early consideration of design in relation

Translating the evidence from the bedside to populations This sixth edition of the best-selling Epidemiology, Evidence-based Medicine and Public Health Lecture

Written for students taking research methods courses, this text provides a thorough overview of sampling principles. The author gives detailed, nontechnical des

This book shows readers how to select & use the most appropriate sampling methods for their survey. It covers myriad sampling techniques, and describes criteria