Methods of assessing students'' loyalty
In addition to formal educational performance evaluation it is needed an evaluation from those who receive the knowledge for a comprehensive evaluation of the quality and relevance of education, which can give university, and its prestige which are important for gaining competitive advantage in the field of educational services. The attitude of students to their institution can be evaluated using the integral index - the index of the loyalty of students which is defined as the difference between the share of allies (promoters) and opponents among the total number of respondents