In this study, the connected discourse of 25 adults with aphasia was rated on the dimension of “informativeness” by 11 unfamiliar listeners using a direct magnitude estimation (DME) procedure. These ratings were subsequently compared to objective measures of communicative informativeness to determine the strength of their relationship. The results indicated that the objective measures were strongly correlated with listeners’ judgments of informativeness and that overall severity of aphasia did not fully account for listeners’ judgments.
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Doyle et al. (1996) studied this question.
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