However, the use of these practices—particularly seclusion and restraint—remains common in France, and has even been on the rise over the past twenty years; this trend is linked, in particular, to the social and political emergence of a security-oriented approach that impacts psychiatric care. Significant variations are also observed between hospitals, and even between different wards within the same hospital. Consequently, the use of coercion requires further study to understand how and why it is applied (the “factors”), to better grasp the consequences for both patients and healthcare staff (the “effects”), and to identify strategies and methods that can drive changes in practices and hospital operations (the “levers”).