EN
This paper compare two paradigms used for addressing the question of migration and conducting research work on Czechs living abroad in the 1960s and ´70s, in what was then the Institute of Ethnology and Folkloristics of the Czechoslovak Academy of Sciences. It is shown that there was an older paradigm, derived from nationalist ethnography focused on one´s own ethnic group, and simultaneously a second paradigm using the assimilationist and acculturationist models emerging in countries with high immigration which had projects for the absorption of minorities and migrant groups. While both these approaches found adherents throughout the world, in Czechoslovakia in the 1960s and ´70s they were adapted to the existing social situation, and as the text demonstrates, they also proved applicable at the end of the 1980s and in the early 1990s. The article is based on content analysis of texts on research by Jaromír Jech, Vladimír Scheufler, Olga Skalníková and Vladimír Karbusický on Czechs in Banat region of Romania, and also content analysis of Iva Herdlová´s works on Czechs in Poland and Prussia. The text aims above all to extend the spectrum of knowledge about what the ethnological community of that time was working on, and which methods and paradigms were used, since the generalizations made hitherto in this regard have tended to oversimplify the situation.