The hypothesis, that injunctive and descriptive norms interact positively or synergistically to promote cooperation in social dilemmas, is tested in the context of a survey study focusing on environmentally responsible behaviour. Measurement error and strong and positive correlations between the...

Adolescents’ environmentally relevant behaviour is primarily carried out in a family context. Yet, it is usually studied and discussed in an individual decision-making perspective only. In a survey involving 601 Danish families, we examine to which extent adolescents’ everyday...