Abstract: The main objective of this paper is to challenge the treatment of first-person epistemic and evidential complement-taking predicates (CTPs) in Martin and White’s (2005) APPRAISAL theory, and to offer suggestions for improving the model. Based on the combined results of a corpus-based analysis of CTPs and of a psycholinguistic experiment, we demonstrate that several co-textual and situational factors play a significant role in speakers’ interpretation of the dialogic function of CTPs. We argue that a flexible approach is necessary to account for the multifunctional nature of CTPs in discourse, and that co-text and context need to be taken into account for an accurate analysis of these expressions.According to Martin and White (2005), CTPs such as I think and I believe are used by speakers and writers to signal that they take into consideration the possible existence of alternative viewpoints, and to make dialogic space for possible subsequent arguments. These predicates are classified as instances of dialogic expansion within the authors’ APPRAISAL framework (Martin & White, 2005: 98). They are set in contrast to expressions of dialogic contraction (e.g. obviously, however, but), which are used in discourse to challenge, resist or reject alternative value positions. In spoken discourse, however, CTPs do not appear to always perform an expanding function. In (1), for example, I think co-occurs with the dialogically contractive obviously, which seems to override the functional content of the CTP, making the turn as a whole relatively contractive.(1) B: I think he was \obviously trying to steer us in that direction [əә] and sort ofA: yesB: dropping hintsMartin and White (2005: 103) recognize that the function of ENGAGEMENT expressions “may vary systematically under the influence of different co-textualconditions, and across registers, genres and discourse domains.” These conditions, however, are not discussed in detail by the authors, nor have they been systematically investigated in the literature. In this ...
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