Three activities connected with questionnaires concerning folk dance were realized in the whole territory of Slovakia: in the years 1947, 1960 and 1971-76. The answers gained in1947 and 1969 have been collected by non-specialists, whereas the questionnaire for the Ethnographic Atlas of Slovakia have been carried out by experts (1971-1976). The results, namely from the year 1960, are compared with experiences and these of further empirical research in 5 groups of dances: (10 - Man's dances, (2) - Women dances, (3) - Couple dances, (4) - Dances of new origin, and (5) - Modern social dances. The names of the dances are recorded also with the number of their appearance in the single villages. The groups of dances are characterized with regard to their position in contemporary tradition and evaluated for their relevance for the present ethnochoreological research.