This dissertation develops a theoretical and empirical framework for the model of metalinguistic community, a community of positioned social actors engaged primarily in discourse about language and cultural symbols tied to language. Building upon the notions of speech community (Duranti, 1994; Gumperz, 1968; Morgan, 2004), linguistic community…

Distance education has come a long way from its first offerings of pen and paper when submissions had to be mailed and no interaction occurred between students and instructors. One concern that has remained is that of keeping students connected to peers and instructors. Moore (1973) stated this psychological and communication gap (transactional…

The vision of K-12 standards-based mathematics reform embraces a greater emphasis on students' ability to communicate their understandings of mathematics by utilizing adaptive reasoning (i.e., reflection, explanation, and justification of thinking) through mathematics discourse. However, recent studies suggest that many students lack the…