[en] The participation of stakeholders has commonly become a criterion for the assessment of public policies. In the field of integration of unskilled workers, who are more and more integrated to compulsory "reskilling" devices, is participation a benefit or a way to produce consent ? At the light of the work of Tyler and McGraw, this paper examines data that were collected in a process of sociological intervention among those unskilled worker in different regions of Wallonia