Adding rainbow filters in support of LGBTQ+ movements or changing profile pictures to black
squares to show support for the BlackLivesMatter movement have become common …

Healthy democratic polities feature competing visions of a good society but also require
some level of cooperation and institutional trust. Democracy is at risk when citizens become …

Social and ecological crises require people to act together, for instance, against climate
change or social injustice. Psychological scholarship suggests that human agency, in terms …

Sociopsychological theorizing and research on collective action (eg, social protests) has
mushroomed over the last decade, studying a wide variety of groups, contexts, and cultures …

A leading psychologist explains why nearly all of us—including many of those who are
persecuted and powerless—so often defend the social systems that cause misery and …

A theory of system justification was proposed 25 years ago by Jost and Banaji (1994, Br. J.
Soc. Psychol., 33, 1) in the British Journal of Social Psychology to explain 'the participation …

How do protest actions impact public support for social movements? Here we test the claim
that extreme protest actions—protest behaviors perceived to be harmful to others, highly …

Although the social identity model of collective action (SIMCA) demonstrates that identity,
efficacy, and injustice are key correlates of collective action, longitudinal tests of these …

The past decade has witnessed rapid growth in popular protest, alongside an upsurge in
research on collective action. The proliferation of research has been both productive and …

Empirical research on the social psychological antecedents of collective action has been
conducted almost exclusively in democratic societies, where activism is relatively safe. The …