When Leon Festinger and His Colleagues Studied Friendship Patterns Among

When Leon Festinger and his colleagues studied friendship patterns among married couples in an apartment complex at MIT,they found that people who lived at the foot of the stairs or near mailboxes had more friends on upper floors than did other people who lived on the first floor.This illustrates the power of _______ to influence friendship patterns.

A) similarity
B) movement patterns
C) functional distance
D) chance
E) physical distance