Modern work has made Psychosocial Risks (PSR) a constantly increasing problem in the workplace. Today the stress has become the first risk for workers' health.

For the employer, preventing RPS is a legal obligation in view of the significant consequences they have on the mental and physical health of individuals. It is also a major economic and performance burden for the company.

In this context and in view of the multiplicity of sources of stress and the subjective and sometimes invisible nature of this phenomenon, there is a need to provide guidelines for building an evaluation and prevention approach against PSR. This MOOC offers them the whole tools to adopt a rigorous approach to diagnosis, evaluation and the implementation of actions against PSR.