“…Researchers and proponents of SNS courses have fought hard to overcome these language prejudices, emphasizing that no language variety is inherently better than another. Consequently there is now a consensus that educators need to understand that there is regional and social variation in all languages, that all language varieties are systematic and rule governed, and that language attitudes are based primarily on judgments of the speakers, rather than the linguistic qualities, of different linguistic varieties (Roca, 1997). Indeed, the importance of incorporating an introduction to sociolinguistic principles in teacher training-stressed in the early 1980s by researchers in the field (see, for example, the numerous contributions in Valdes, Lozano, Q Garcia-Moya, 1981)-is today widely recognized, and the best teacher training programs now incorporate such an introduction to Spanish in the United States (e.g., Potowski, 2001).…”