This educational-methodical manual presents a broad range of psychological assessment tools in Armenian language, which is the result of long-term scientific research activities of the staff of the Department of General Psychology and the Psychological Scientific Research Center of Yerevan State University. The collection includes detailed descriptions and techniques for the application of psychological tests and questionnaires that have undergone the procedures required for the adaptation process. The manual is intended for students, postgraduate students and lecturers of psychology faculties, as well as specialists interested in psychological scientific research.