Under these, conditions a relatively empirical approach to action and training was adopted, switching between planning, negotiation and a certain amount of strong persuasion, and steering a middle course between pushing for progress and retaining the workers' willing participation. ###>Dans ces conditions a été retenue une méthode d'ac tion et de formation relativement empirique, alternant la conception, la négociation et une certaine directivité, et faisant compromis entré progression et adhésion.