It is a custom in nina's family for newly married female members to continue living with their families, along with their husbands. declan, who recently got married to nina, moves into nina's house to live with her and her family. in the context of residence patterns, this is an example

In the context of residence patterns the example of Nina and Declan going to live in her parents house is an example of "Matrilocal Residence".

Explanation:

Matrilocal residence is the type of residence patterns in which the newly married couple moves to the bride's residential establishment and her family. The name comes from "mater" the Latin word for mother and the "local" English word for location. This type of residence pattern is one of the 4 different variations that exist along with their subvariations. The other 3 types are Neolocal in which the newly married couple finds a new home. Patrilocal in which the couple moves with the husband's family and Avunculocal in which the new couple moves to live with the husband's mother brother.

answer; i believe that the correct answer is (decreased)