Astudy of 7,578 adults in seven nations found that physical separation between parents and adult children

A study of 7578 adults in seven nations found that physical separation did not necessarily weaken family ties. In particular, contacts that do not necessitate face to face interaction increased, reliable with the diffusion of cell phones and internet use over the period. Even though theorizing points to demographic developments as driving trends in inter-generational family relationships are widely debated. 

answer; albert bandura;

answer; /// working class;