The 21st century has seen unprecedented levels of mass protest all over the world. Protest
is a dynamic interplay of actions over time, across levels of society (eg, individual …

Since 2009, there has been an increase in global protests and related online activity. Yet, it
is unclear how and why online activity is related to the mobilization of offline collective …

Over the last quarter of a century, social psychological research on collective action has
grown exponentially and progressed through four distinct phases. While the first phase …

We study a transcript of discourse recorded on an open mic during the mass suicide/murder
of 909 members of a religious community in Jonestown in 1978. The 'Jonestown massacre'is …

Narratives can be powerful tools for inspiring action on pressing societal issues such as
climate change. While social science theories offer frameworks for understanding the …

Success of global attempts to limit climate change depends partly upon public support for
demands of climate activist groups. We examined the role of social representation and …

Social change can be spurred by collective action. Yet not all forms of collective action are in
the name of social progress. People seeking to advance or oppose social progress can be …

Opposing social movements are groups that have conflicting objectives on a shared social
justice issue. To maximize the probability of their movement's success, groups can …

The development and application of digital technologies1 across psychological science are
now a regular occurrence. Here, we outline how emerging issues have resulted in new …

Telegram's design prioritizes user security and minimal content moderation, making it
appealing for communities banned from mainstream platforms, such as conspiracy …