________ is a key technique because kinship and marriage relationships are so important in nonindustrial societies. Participant observation Network analysis The genealogical method The life history The interview schedule

Respuesta :

Answer:

genealogical method

Explanation:

Medical genealogy is the investigation of family lineages through which data about a family is collected from medical and historical documents by a genetic counselor or clinical geneticist through the process including historical records, oral interviews, etc. Invented by W.H. R. Rivers, the genealogical method aims to improve the analysis of social organizations.