Contents1 Introduction to the Research Handbook on Social Norms 1Robert C. Dempsey, John McAlaney, Bridgette M. Bewick and Guido Van HalPART I SOCIAL NORMS REVIEWS2 Social norms and men's health 10Tina L. Rochelle3 Measuring masculine norms 24Y. Joel Wong and Jonathan Kang4 The role of descriptive normative beliefs on substance use behaviours:A narrative review of similarities and differences among early, middleadolescents, and young adults 38Ondrej Kalina and Ol'ga Orosová5 Social norms and suicidality 56Robert C. Dempsey and Alex M. Wood6 When laws succeed and fail: Theory and evidence on their interaction withsocial norms 73Masaki Iwasaki7 Gambling and other behavioural addictions 85John McAlaney8 Unravelling the role of social norms in preventing infectious diseases 99Stefanie M. Helmer, Knarik Nikoyan and Rafael T.

MikolajczykPART II THE SOCIAL NORMS APPROACH9 Understanding and applying the social norms approach: A practicalintroduction 110Robert C. Dempsey, John McAlaney, Bridgette M. Bewick and Guido Van Hal10 The theoretical basis for the social norms approach 128John McAlaney and Robert C. Dempsey11 Personalised normative feedback for meaningful change: Theory, practice,and innovation 142Bridgette M. BewickPART III SOCIAL NORMS INTERVENTION CASE STUDIES12 Developing, implementing, and evaluating an in-school social normsapproach intervention aiming to reduce unhealthy dietary behavioursamongst secondary school students 160Sian Calvert, Robert C. Dempsey and Rachel Povey13 The MECHANISMS study: Using game theory to assess the effects ofsocial norms and social networks on adolescent smoking in schools inNorthern Ireland and Bogotá 177Jennifer M. Murray, Sharon C. Sanchez-Franco, Olga L.

Sarmiento,Erik O. Kimbrough, Christopher Tate, Shannon C. Montgomery,Rajnish Kumar, Laura Dunne, Abhijit Ramalingam, Erin L. Krupka,Felipe Montes, Huiyu Zhou, Laurence Moore, Linda Bauld, BlancaLlorente, Frank Kee and Ruth F. Hunter14 The GOOD Life: A social norms intervention to prevent hazardousdrinking using different communication channels 202Christiane Stock and Lotte Vallentin-Holbech15 The powerful effect of a social norms approach: How a campaignsignificantly reduced misperceptions about the nonmedical use ofprescription stimulants among university students 219Katleen Derickx, Hanna van Roozendaal and Guido Van Hal16 INSIST: A web-based social norms intervention for the prevention andreduction of substance use at German universities 230Stefanie M. Helmer, Claudia R. Pischke and Hajo Zeeb17 Using the social norms approach in high-performance settings: A casestudy of the 5Rs of Rugby mental health literacy intervention withprofessional rugby union players in Ireland 240Robert C. Dempsey, Philip Clarke and Deirdre Lyons.