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Chapter 2. Negation, uncertainty, and the Truth Value Judgment Task

  • Takuya Goro
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Abstract

This article discusses a variant of the Truth Value Judgment Task (TVJT), which I call the uncertainty mode. In a TVJT experiment conducted with children, a puppet manipulated by an experimenter presents the test sentences to the participant. In the uncertainty mode of TVJT, the crucial test sentences are presented as a guess regarding what has happened in an experimental story, rather than as a description or as a prediction. The crucial feature of this experimental design is that the experimental story employs a certain structure so that the puppet can access only incomplete information at the time when he provides the test sentence. This methodology allows the researcher to create a pragmatic context in which negation and uncertainty expressions, such as disjunction or indefinite pronouns, can be felicitously used. I will review the background from which the uncertainty mode emerged, as well as the advantages of this variant of the TVJT.

Abstract

This article discusses a variant of the Truth Value Judgment Task (TVJT), which I call the uncertainty mode. In a TVJT experiment conducted with children, a puppet manipulated by an experimenter presents the test sentences to the participant. In the uncertainty mode of TVJT, the crucial test sentences are presented as a guess regarding what has happened in an experimental story, rather than as a description or as a prediction. The crucial feature of this experimental design is that the experimental story employs a certain structure so that the puppet can access only incomplete information at the time when he provides the test sentence. This methodology allows the researcher to create a pragmatic context in which negation and uncertainty expressions, such as disjunction or indefinite pronouns, can be felicitously used. I will review the background from which the uncertainty mode emerged, as well as the advantages of this variant of the TVJT.

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