What did Dennis Preston discover in his studies on perceptual dialectology? [Choose only 2 responses]
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people tend to describe language varieties similar to their own as "more correct" than less familiar varieties the two main dimensions of language attitudes are 'social status' and 'group solidarity' most people have accurate judgments about correct and incorrect English people in the Southern US do not speak English as well as other regions
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some people don't have accents, but other's do