During a drought, Lynne noticed that all of her neighbors had to halt watering their lawns, even though there were no laws against it. Lynne was following a descriptive norm when she let her lawn turn brown, too.
Descriptive norm is the kind of gesture that people do in a particular situation. Descriptive norm can be pre-defined so that people act in a certain way at that particular situation. For example—if there is rain outside, the people will take off the clothes from the terrace.
Thus, it is Descriptive norm
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