Research on the intergenerational and transnational dynamics of migration is of specific importance. Due to the complexity of the links between relations, social relations and socio-cultural perspectives, this type of research tends almost always towards multi-or even interdisciplinarity. Thus these issues cannot always be examined only from a demographic, psychological, sociological, anthropological or political-science perspective, but need articulating between these disciplinary standpoints;

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... usually researchers work together to build a conceptual framework and a theoretical perspective which take into account these various dimensions in order to better understand the temporal, spatial and social complexity of these dynamics. This conceptual interdisciplinarity also frames the complex methodology at play in studying these phenomena and processes. Here we have the two keywords. To capture the phenomena, draw up an image of them, compare their effects and identify their factors and correlations, the quantitative approach will be privileged. On the other hand, to understand the processes at play, the changes and transformations, or the circulation of exchanges between the generations, it is the qualitative method which must be brought into play. Furthermore, to understand intergenerational dynamics in migration we should also be aware of the different forms which they take according to the generation of actors and to the society and culture in which they live. The participation of these actors is, therefore, indispensable not only for the collection of data but also in order to interpret them and give them meaning. This issue of the interpretation and analysis of the data will henceforth be central