The advantages and disadvantages of indices for assessing scientists’ activities using the scientometric databases Web of Science (USA), Scopus (EU) and RSCI (RF) are considered. It is proposed to use such indicators as the citation index and the publication relevance index to objectify the data in addition to the known indicators, namely the number of publications, the number of links, the average number of citations per publication, the Hirsch index. It is shown that the main disadvantage of the h-index proposed by the American physicist Jorge Hirsch for assessing ergonomists’ scientific activities is not taking into account the relevance of breakthrough scientific results and inventions. The rating of 25 leading domestic psychologists and 25 domestic ergonomists is given, which is obtained from the RSCI database and it includes such indicators as the number of publications, the total number of citations, the average number of citations, the average number of citations per publication, and the Hirsch index. It is concluded that using relevance and citation indices is, to a certain extent, evidence of this scholar’ official recognition by the scientific community and the formal confirmation of his authority. It is shown that applying scientometric citation indices and their correct use in assessing scientists’ activities should be carried out by the qualified experts in the relevant field of knowledge.