“…However, while novel variants can emerge and be initially selected as a result of endogenous, languageinternal, processes, the mechanisms behind their spread and large-scale adoption, or the lack of thereof, are inherently social 1 Social motivations underlying the selection process have been interpreted in terms of prestige (overt vs. covert prestige, Labov, 1972a) and group solidarity (Le Page and Tabouret-Keller, 1985;Milroy, 1992). 2 Many have questioned whether logistic regression is the appropriate mathematical model (Niyogi and Berwick, 1997;Denison, 2002;Kretzschmar and Tamasi, 2003), while others have used it with different types of empirical data (Kroch, 1989;Labov, 1994:65;Chambers, 2004 for a review). 3 Ayres-Bennett (2004) documents innovations by wealthy 17th century women, depicted in Moliè re's comedy: Les Pre´cieuses Ridicules.…”