Others Go, Shall I? the Effect of Descriptive Norms on Participation in Collective Protest.

In two experiments (N=235/330), descriptive norms of participating in collective protests for better housing in Portugal had positive indirect effects on own participation intentions, mediated by combined politicized identification, moralization, perceived injustice and collective efficacy. The absence of a total effect, though, also speaks for a suppressed negative substitutability effect.