Culturally and linguistically diverse (CLD) students comprise the most rapidly expanding, and among the most educationally marginalized, group in the United States. CLD students' opportunities to learn are often diminished through service delivery models that are deficit-oriented, viewing linguistic diversity as a challenge to overcome, not a…

Presents encouraging empirical findings related to an attempt to create an efficient and reliable instrument to assess the nature and quality of critical discourse and thinking in a text-based educational context. Suggests that cognitive presence (critical, practical inquiry) can be created and supported in a computer-conference environment with…