Dynamic Norms Promote Sustainable Behavior, Even if It Is Counternormative

It is well known that people conform to normative information about other people’s current attitudes and behaviors. Do they also conform to dynamic norms—information about how other people’s behavior is changing over time? We investigated this question in three online and two field experiments. Experiments 1 through 4 examined high levels of meat consumption, a normative and salient behavior that is decreasing in the United States. Dynamic norms...