Another simplified register that has been studied […] is that of ‘foreigner talk’ (FT), the variety of language that is regarded by a speech community as primarily appropriate for addressing foreigners.
- Ferguson-DeBose (1977), a pag.103

It is clear that foreigner talk represents in part the native speaker’s attempt to approximate some notion of broken language, although little is known of the nature and extent of direct borrowing from broken language into foreigner talk.
- Ferguson-DeBose (1977), a pag.116