ABSTRACT
On a scale of 1–10, where 1 is difficult and 10 is easy, how do you feel about greeting:
just one friend of the same sex as you?
just one friend of the opposite sex?
a group of friends of the same sex as you?
a group of friends of the opposite sex or a mix of males and females?
new people in a familiar place, for example, at college/work?
new people not 'on your territory' - perhaps in a pub or a waiting room?
