Proxemics

the Proxemics is a study about measurable distance between people when they do some interact.

there are four level for poroxcemics:


Intimate distance for embracing,touching or whispering
- close phase - less than 6 inches (15 cm)
- far phase - 6 to 18 inches (15 to 46 cm)















Personal distance for interactions among good friends or family members
- close phase - 1.5 to 2.5 feet (46 to 76 cm)
- far phase - 2.5 to 4 feet (76 to 120 cm)







Social distance for interactions among acquaintances
- close phase - 4 to 7 feet (1.2 to 2.1 m)
- far phase - 7 to 12 feet (2.1 to 3.7 m)












Public distance used for public speaking
- close phase - 12 to 25 feet (3.7 to 7.6 m)
- far phase - 25 feet (7.6 m) or more

source: http://en.wikipedia.org/wiki/Proxemics