Researchers and students from divergent academic disciplines share an interest in the study of social movements and collective action. Through a variety of disciplinary approaches and techniques, researchers seek to understand the emergence and development of collective action. In the last few decades, the field of social-movements-studies has proliferated enormously, covering a wide array of movements, issues and places. With this growth, social movement scholars have criticized the traditional vision of collective mobilization as the results of irrational behavior and have instead...