function: proximity and similarity
proximity allows familiarity, availability and expectation of continued interaction -> more likely to make an effort.
has imp consq for design of housing, workplace etc.
has implications for formation and maintenance of rs
ROBERTS (2018) proximity and similarity imp for elderly living in residential care
RICHAUD (2018) co-presence at public park -> friendships being made in Beijing
COSTA ET AL. (2018) imp outcomes. looked at experience of veterans. living closer to ppl they served w -> lived longer
assortative mating - elements of similarity make us want to spend time tgth w similar. increases similarity over time>