Editing Propinquity (section)

==Types==
Various types of propinquity exist: ''industry/occupational propinquity'', in which similar people working in the same field or job tend to be attracted to one another;<ref>Martin, Donald M. (1918). "Occupational Propinquity as a Factor in Marriage Selection," Vol 16, No.123, pp. 131–150. American Statistical Association.</ref> ''residential propinquity'', in which people living in the same area or within neighborhoods of each other tend to come together;<ref>Bossard, James H.S.(1932). "Residential Propinquity as a Factor in Marriage Selection," Vol 38, No.2, pp. 219–224. ''American Journal of Sociology''.</ref> and ''acquaintance propinquity'', a form of proximity in existence when friends tend to have a special bond of interpersonal attraction. Many studies have been performed in assessing various propinquities and their effect on marriage.