Answer:
Family members tend to increase and live together and there might be something in their shared environment that causes high familial aggregation.
Explanation:
Family aggregation refers to certain habits or traits that are common in between the family, possibly because of common traits, shared space and habits, etc:
These might occur because of two facts:
When family lives together they create same habits like, eating meals together, watching TV together, etc: these daily habits change the behaviour and concern in an individual towards the family, accordingly there might be mental effects which shall be common in all of them.
