Surveying Vulnerabilities across the Life Course: Balancing Substantive and Methodological Challenges: Michel Oris, Caroline Roberts, Dominique Joye, Michèle Ernst-Stähli.- Representation of Vulnerability and the Elderly. A Total Survey Error Perspective on the VLV Survey: Michel Oris, Eduardo Guichard, Marthe Nicolet, Rainer Gabriel, Aude Tholomier, Christophe Monnot, Delphine Fagot, Dominique Joye.- Adapting Quantitative Survey Procedures: The Price to Capture Vulnerability? Lessons from a Large-scale Survey on Aging and Migration in Switzerland: Laure Kaeser.- Vulnerability following a critical life event: temporary crisis or chronic distress? A psychological controversy, methodological considerations, and empirical evidence: Pasqualina Perrig-Chiello, Sara Hutchison, Bina Knöpfli.- A Survey of Couples Facing Breast Cancer in Women: Linda Charvoz, Nicolas Favez, Sarah Cairo Notari, Bénédicte Panes-Ruedin, Jean-François Delaloye .- A longitudinal research on professional trajectories: Preliminary results from the 1st wave of data collection on a representative sample: Christian Maggiori, Jérôme Rossier, Franciska Krings, Claire Johnston, Koorosh Massoudi.- How to survey displaced workers in Switzerland? Sources of bias and ways around them