Third Edition. This leading textbook provides a complete grounding in both qualitative and quantitative research methods. Guiding the reader step-by-step through the research process, it is illustrated throughout with sport-related case-studies and examples from around the world. Now in a fully revised and expanded third edition, the book includes new chapters on using social media and conducting on-line research, and researching special populations, as well as expanded coverage of topics such as action research, the literature review, statistics, research ethics, and health-related research into physical activity. A new