Abstract
The essay tries to present some general ideas that allow the approach of the risk assessment in the investigations in Psychology and other similar disciplines that realize research through, in or with human participants. Legislation currently indicates that such research should be subject to ethical consideration by Scientific Ethics Committees (CEC), which are governed by the regulations generated for biomedical research. This situation implies that professionals of the medical sciences are usually involved in the ethical review of projects in disciplines such as psychology, trying to assimilate the characteristics of biomedical and psychosocial. It discusses the difficulties that this represents and presents a series of ideas in the direction of specifying the aspects that differentiate the human and social sciences on the determination of the potential damage caused by the participation in studies of this area and its consequences in the medium and long term. Without pretending to be exhaustive, the present work tries to be a point of departure for the reflection related to the risk of the investigations in psychology and related disciplines.