Educational assessment and marking, in particular, give teachers considerable power over students and their future possibilities. Analysing a teachers' meeting discussing school reports in a secondary school showed that marking involves teachers' accountability to colleagues. An examination of the situated interpretations and explanations of unsatisfactory school marks also showed how various discursive devices were used for building a factual account. Confirmed expectations, extreme case formulations, introducing corroborating witnesses, the deployment of cited others, defining exceptional cases, detailed descriptions and narratives, and (...) the use of different accounts all served to emphasize the role of the students and hide the teachers from view. In addition, teachers' joint constructions had practical consequences for remedial interventions. Decisions for intervention were dependent on the accounts given. (shrink)

In their enthusiasm for programming, computational linguists have tended to lose sight of what humansdo. They have conceived of conversations as independent of sound and the bodies that produce it. Thus, implicit in their simulations is the assumption that the text is the essence of talk. In fact, unlike electronic mail, conversations are acoustic events. During everyday talk, human understanding depends both on the words spoken and on fine interpersonal vocal coordination. When utterances are analysed into sequences of word-based forms, (...) however, these prosodic aspects of language disappear. Therefore, to investigate the possibility that machines might talk, we propose acommunion game that includes this interpersonal patterning. Humans and machines would talk together and, based on recordings of them, a panel would appraise the relevant merit of each machine's simulation by how true to life it sounded. Unlike Turing's imitation game, the communion game overtly focuses attention, not on intelligence, but on language. It is designed to facilitate the development of social groups of adaptive robots that exploit complex acoustic signals in real time. We consider how the development of such machines might be approached. (shrink)