Practice-based pedagogies, such as representations of practice and approximations of practice, are increasingly common in mathematics teacher education. More needs to be known about how teacher candidates' (TCs') productions through such activities make visible the resources they bring to the work of teaching. In this paper, we highlight our use…

The acquisition of receptive and expressive language skills by students with autism and developmental disabilities (DD) is often delayed, thus making the process of communicating with others challenging. Some students develop language skills incidentally through conversations with their families and peers, but others require instruction in…

A convenient and user-friendly method for computer-based second-language instruction (especially exotic-alphabet languages) presents a "pool" of text chunks from which the student uses a mouse to select and drag the chunks to form answers. Several types of feedback, including edit markup, may be selected; revision consists of rearranging, adding,…