nationality honorific_suffix image article_title name occupation
canadian cm frsc spoplack.jpg shana poplack
 shana poplack linguist , university professor
shana poplack

shana poplack , is a distinguished university professor in the linguistics department of the university of ottawa , where she directs the sociolinguistics laboratory and three time holder of the canada research chair in linguistics .
she is a leading proponent of variation theory , the approach to language science pioneered by william labov .
she has extended the methodology and theory of this field into bilingual speech patterns , the prescription-praxis dialectic in the co-evolution of standard and non-standard languages , and the comparative reconstruction of ancestral speech varieties , including african american vernacular english .
