**** Pidgins -- patterns of continuity and change
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Pidgins that have been formed from the sudden dislocation (usually geographical, but not necessarily so) and mixing of heterogenous populations seem to be more provisional early on. If there is a continued need for a pidgin, most often because of continued arrival of newcomers, it may stabilize somewhat. This was perhaps the case in Atlantic societies where natural increase was not achieved. If a pidgin stabilizes in an environment where both continued immigration and child-rearing are occuring, then what is a stable pidgin to some adults may be expanded by children acquiring it. This is the scenario Gillian Sankoff and Suzanne Laberge have described as "the acquisition of native speakers by a language." in reference to Tok Pisin's gradual expansion to the position of a fully functional language without the speech community ever crossing a threshhold from pidgin to creole. Of course, this hides the positions of individual speakers, who acquired the language either as adults or as children.
Sankoff and Laberge, Acq of Native Sp by a language"
Siegel for Fiji Islands