Methodological practices in social movement research Social movement studies and methodological pluralism : an introduction Donatella della Porta The potentials of grounded theory in the study of social movements Alice Mattoni Qualitative comparative analysis (QCA) : what it is what it does and how it works Claudius Wagemann Triangulation in social movement research Phillip M. Ayoub Sophia Wallace and Chris Zepeda Millan Comparative historical analysis Daniel P. Ritter Historical methodologies : archival research and oral history in social movement research Lorenzo Bosi and Herbert Reiter Participant observation Philip Balsinger and Alexandre Lambelet Field work in the context of violent conflict and authoritarian regimes Stefan Malthaner Discourse and frame analysis : in depth analysis of qualitative data in social movement research Lasse Lindekilde In depth interviews Donatella della Porta Life histories Donatella della Porta Focus groups Donatella della Porta Surveying protestors : why and how Massimiliano Andretta and Donatella della Porta Protest event analysis and its offspring Swen Hutter Social network analysis Manuela Caiani Methodological practices in social movement online research Lorenzo Mosca Working with images Nicole Doerr and Noa Milman The ethics of social movement research Stefania Milan