Craig Mcgarty is Professor and Head of Psychology at Western Sydney University. He was previously Director of the Centre for Social and Community Research and Director of the Social Research Institute at Murdoch University and Head of the School of Psychology at The Australian National University. His books include Categorization in Social Psychology and Research Methods and Statistics in Psychology, The Message of Social Psychology and Stereotypes as Explanations. Anna Kende is an Associate Professor at Eötvös Loránd University, Budapest. Her research focuses on prejudice, intergroup relations, identity formation and political activism from a social psychological perspective. She has carried out several policy research projects about early selection in schools and worked as a policy advisor on educational integration of Roma people in Hungary. Nicola Curtin is an Assistant Professor at Clark University and a Visiting Scholar at Brandeis University's Women's Studies Research Center. Her research examines the role of life experiences, individual differences, and social identities in commitments to creating social change, with a particular emphasis on ally and coalitional activism. She is co-editor of the forthcoming, Feminist Perspectives on Building a Better Psychological Science of Gender (Springer).

• Understanding Activism  Issue Editors: Craig McGarty, Anna Kende, and Nicola Curtin INTRODUCTIONExpanding on Psychological Theories of Engagement to UnderstandActivism in Context(s)                                                                            Nicola Curtin and Craig McGartySECTION I: THE ACTIVIST UP CLOSE The “Activist Identity” and Activism across Domains: A MultipleIdentities Analysis                                                                                    Winnifred R. Louis, Catherine E. Amiot, Emma F. Thomas, and Leda BlackwoodNavigating Multiple Identities: The Simultaneous Influence of Advantaged and Disadvantaged Identities on Politicizationand Activism                                                                                             Nicola Curtin, Anna Kende, and Judit KendeDoes Civic Participation Stimulate Political Activity?                                            Jacquelien van Stekelenburg, Bert Klandermans, and Agnes AkkermanSECTION II: ALLIES Acting in Solidarity: Cross-Group Contact between Disadvantaged Group Members and Advantaged Group Allies   Lisa Droogendyk, Stephen C. Wright, Micah Lubensky, and Winnifred R. LouisInstitutional Allyship for LGBT Equality: Underlying Processes andPotentials for Change                                                                              Glenda M. Russell and Janis S. BohanSECTION III: IDENTIFICATION PROCESSES AND INTERGROUP RELATIONS Intergroup Relations in Latin America: Intergroup Contact, Common Ingroup Identity, and Activism among Indigenous Groups inMexico and Chile                                                                                     Huseyin Cakal, Anja Eller, Andre´s Pe´rez, and David Sirlopu´How Activists Respond to Social Structure in Offline and Online Contexts      Lisa K. Hartley, Girish Lala, Ngaire Donaghue, and Craig McGartySECTION IV: CONCLUSION Separating Social Science Research on Activism from Social Science as  Activism           Anna Kende