Le Travail Humain 2011/3 Vol. 74, 2011/3 - pagesPages 205 to 223Organizational Assessment of Individual Competencies According to their CriticalityBy Marianne CesarPages 225 to 251Revising a Procedural Text while Operating a Device: Some Implications on the Elaboration of Representation Levels and on the Quality of the Text ProducedBy Franck Ganier, Sabine PétillonPages 253 to 282Seeking Information from Others, Outside the Internet and from Cyber-Students: Role of Perceived Social SupportBy Émilie Vayre, Raymond Dupuy, Sandrine Croity-BelzPages 283 to 308Site and Project Managers’ Activity on Construction Sites: Scheduling and Supervising a Dynamic SituationBy Justine Forrierre, Françoise Anceaux, Julien Cegarra, Francis Six