Anecdotal evidence suggests that participants in conversation can sometimes act as a coalition. This implies a level of conversational organization in which groups of individuals form a coherent unit. This paper investigates the implications of this phenomenon for psycholinguistic and semantic models of shared context in dialog. We present a…

Indicates a periodic structure in the distribution of between-turn silences in two-party conversation, a finding that is inconsistent with current stochastic or signaling models, which view social interaction as an exchange of stimuli and responses. Finds that social interaction is fundamentally a collaborative activity. (JD)