Study of the background to differences, understanding of individuals, individual differences; understanding tests, psychological measurements, requirements for using psychological tests, classification of psychological tests, requirements for psychological tests; who has the right to carry out psychological tests, requirements for a diagnostic psychologist, psychodiagnostic ethics, test administration; intelligence tests, aptitude tests, interest tests, personality tests; read the results of psychological tests. In this course, skills in conducting psychological tests are also trained, especially the Eysenck inventory test.