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Methods of non-parametric statistics, facilitating analysis of processes in the human resource management sphere are reviewed. Such methods allow to explore relationships between qualitative characteristics, between quantitative and qualitative attributes, and to evaluate results generated by expertise. The authors draw examples, showing how to use Spearman’s coefficient, Kendall’s coefficient, coefficient of concordance in studying particular HRM problems, such as employee turnover, job satisfaction level of employees etc. Revealed are the capabilities of correlation and regression analysis and of cluster analysis for evaluating coordinated changes of quantitative factors and for describing dependent variable behaviour with the set of appropriate independent variables. The described analytical toolkit in terms of theory will afford enhancement of research results quality and credibility, and in terms of practice — refinement of source information analysis for further effective decision-making on the HRM issues.

The authors, on the basis of the importance of the activities of constitutional courts in the system of separation of powers in most countries, propose a comparative legal analysis of the normative and legal acts governing the procedure for the adoption and legal nature of decisions of these bodies. On the basis of the study of the legal consolidation of the activities of the constitutional courts, it was concluded that the decisions of the constitutional courts, possessing such characteristics as the possibility of abolishing the legal norm; the final character; the obligation of execution for all state authorities, organizations and citizens; and the moral authority, perform a law-making function, establish rules governing important relations in society and play a special role in ensuring and protecting fundamental human and civil rights and freedoms plays an important role in ensuring and protecting fundamental human and civil rights and freedoms and constitutions of the countries considered in this article.