When children are more logical than adults: experimental investigations of scalar implicature

被引:401
|
作者
Noveck, IA [1 ]
机构
[1] CNRS, Inst Cognit Sci, F-69675 Bron, France
关键词
development; implicature; pragmatics; reasoning;
D O I
10.1016/S0010-0277(00)00114-1
中图分类号
B84 [心理学];
学科分类号
04 ; 0402 ;
摘要
A conversational implicature is an inference that consists of attributing to a speaker an implicit meaning that goes beyond the explicit linguistic meaning of an utterance. This paper experimentally investigates scalar implicature, a paradigmatic case of implicature in which a speaker's use of a term like Some indicates that the speaker had reasons not to use a more informative term from the same scale, e.g. All; thus, Sonic implicates Not all. Pragmatic theorists like Grice would predict that a pragmatic interpretation is determined only after its explicit, logical meaning is incorporated (e.g. when Some means at least one). The present work aims to developmentally examine this prediction by showing how younger, albeit competent, reasoners initially treat a relatively weak term logically before becoming aware of its pragmatic potential. Three experiments are presented. Experiment 1 presents a modal reasoning scenario offering an exhaustive set of conclusions; critical among these is participants' evaluation of a statement expressing Might be I when the context indicates that the stronger Must be x is true. The conversationally-infelicitous Might be x can be understood logically (e.g. as compatible with Must) or pragmatically (as exclusive to Must). Results from 5-, 7-, and g-year-olds as well as adults revealed that (a) 7-year-olds are the youngest to demonstrate modal competence overall and that (b) 7- and 9-year-olds treat the infelicitous Might logically significantly more often than adults do. Experiment 2 showed how training with the modal task can suspend the implicatures for adults. Experiment 3 provides converging evidence of the developmental pragmatic effect with the French existential quantifier Certains (Some). While linguistically-sophisticated children (8- and 10-year-olds olds) typically treat Certains as compatible with Tous (All), adults are equivocal. These results, which are consistent with unanticipated findings in classic developmental papers, reveal a consistent ordering in which representations of weak scalar terms tend to be treated logically by young competent participants and more pragmatically by older ones. This work is also relevant to thr treatment of scalar implicatures in the reasoning literature. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:165 / 188
页数:24
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