This presentation was given at the seminar on psychosocial skills (PSS) organized by Santé publique France from February 3 to 5, 2025, in Aubervilliers. Béatrice Lamboy, scientific advisor and co-leader of the PSK program at Santé publique France, presents the quality criteria for PSK interventions to help participants internalize these criteria, thereby enriching the content of their PSK training and ultimately optimizing it.