Do we notice when communication goes awry? An investigation of people's sensitivity to coherence in spontaneous conversation.

In the dominant theoretical framework, human communication is modeled as the faithful transmission of information. This implies that when people are involved in communicational exchanges, they should be sensitive to the success with which information is transmitted, easily detecting when conversations lack coherence. The expectation that humans are good at detecting conversational incoherence is in line with common intuition, but there are several reasons to suspect that it might be unrealistic. First, similar intuitions have been shown to be unrealistic for a number of psychological processes. Second, faithful information transmission may conflict with other conversational goals. Third, mechanisms supporting information transmission may themselves lead to cases of incoherence being missed. To ascertain the extent to which people are insensitive to patches of serious conversational incoherence, we generated such patches in the laboratory by repeatedly crossing two unrelated conversations. Across two studies, involving both narrowly and broadly focused conversations, between 27% and 42% of the conversants did not notice that their conversations had been crossed. The results of these studies suggest that it may indeed be unrealistic to model spontaneous conversation as faithful information transmission. Rather, our results are more consistent with models of communication that view it as involving noisy and error-prone inferential processes, serving multiple independent goals.

Abstract licence: CC BY

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