establishing the compliance of the psychophysiological characteristics of a person, his preparedness and skills with the requirements imposed by the specifics of the chosen type of labor activity; making personnel decisions based on the study and prognostic assessment of people’s suitability for mastering a profession, for performing professional duties and achieving the necessary level of skill. It is carried out with the complex use of a number of criteria: medical, physiological, pedagogical and psychological. It is based on specific normative characteristics of the profession, on the basis of which the criteria of professional suitability are developed.