Mark Tarrant is Professor of Psychology at the University of Plymouth, UK. His work focuses on the development and evaluation of group-based behaviour change interventions for supporting health. He has published more than 70 articles and book chapters, including in leading international journals (e.g., Psychological Science, Health Psychology Review), and has been funded by major research councils (e.g., NIHR, MRC, ESRC) and charities (e.g., Stroke Association).

Martin S. Hagger is Distinguished Professor at the University of California, Merced, Professor (Behaviour Change) in the Faculty of Sport and Health Sciences, University of Jyväskylä, Finland, and Adjunct Professor and Research Consultant in the School of Applied Psychology, Griffith University. His research applies social cognition and motivational theory to predict, understand, and change health behaviours. He has published over 400 articles, chapters, and books, and served as editor of major scholarly peer-reviewed journals.

Chapter 1: Introduction - Martin S. Hagger and Mark Tarrant
Chapter 2: Models of Health Behavior: Revisiting Ajzen (1998) - Mark Conner and Paul Norman
Chapter 3: Control Theory: Revisiting Carver and Scheier (1982) - Warren Mansell
Chapter 4: The Ecological Approach: Revisiting Sallis, Cervero, Ascher, Henderson, Kraft, and Kerr (2006) - Robert A.C. Ruiter, Evelyne de Leeuw, Rik Crutzen, and Gerjo Kok
Chapter 5: Stress and Health: Revisiting Cohen, Tyrrell, and Smith (1991) - Fabio Sani
Chapter 6: Psychoneuroimmunology: Revisiting Kiecolt-Glaser, Marucha, Malarkey, Mercado, and Glaser (1995) - John Weinman, Elizabeth Broadbent, and Roger Booth
Chapter 7: Personality and Health: Revisiting Friedman and Rosenman (1959) - Nick Haslam and Roderick D. Buchanan
Chapter 8: Health Inequalities: Revisiting Marmot, Rose, Shipley, and Hamilton (1978) - Benjamin Schüz
Chapter 9: Social Networks and Health: Revisiting Berkman and Syme (1979) - Jolanda Jetten, Sarah V. Bentley, and Tarli Young
Chapter 10: Fear Appeals and Illness Perceptions: Revisiting Leventhal et al. (1965) - Linda D. Cameron
Chapter 11: Placebo Effects: Revisiting Kirsch (1985) - Felicity L Bishop
Chapter 12: Behavior Change: Revisiting Michie et al. (2013) - Marie Johnston
Chapter 13: Psychotherapeutic Interventions: Revisiting Pennebaker, Kiecolt-Glaser, and Glaser (1988) - Anke Karl
Chapter 14: Positive Psychology: Revisiting Seligman, Steen, Park, and Peterson (2005) - Ryan J. Goffredi, Christopher A. Sanders, Kennon M. Sheldon, and Laura A. King