Le Travail Humain 2006/4 Vol. 69, 2006/4 - pagesPages 305 to 315Bias and Social StatusBy Philippe Castel, Marie-Françoise Lacassagne, C. ViryPages 317 to 347Analysis of the Argumentation Process in an Equipment Redesign MeetingBy Françoise DarsesPages 349 to 377Spatial Layout and Words DetectionBy Laure Léger, Charles Tijus, Thierry BaccinoPages 379 to 400Affects in Cooperative Interaction Situations: A Methodological ProposalBy Béatrice Cahour