Processing presuppositions and implicatures: Similarities and differences

Cory Bill, Jacopo Romoli, Florian Schwarz

Research output: Contribution to journalArticle

Abstract

Presuppositions and Scalar implicatures are traditionally considered to be distinct phenomena, but recent approaches analyze certain Presuppositions as Scalar Implicatures. All else being equal, this ‘Scalar Implicature approach to Presuppositions’ predicts uniform behavior for the two types of inferences. Initial experimental studies comparing them yielded conflicting results. While some found a difference in the Response Time patterns of Scalar Implicatures and Presuppositions, others found them to be uniform. We argue that the difference in outcomes is attributable to a difference in the type of response being measured: Response Times associated with acceptance and rejection responses seem to pattern in opposite ways. Next, we report on a series of experiments to support this, and to compare the behavior of Presuppositions and Scalar Implicature more comprehensively. Experiments Ia and Ib look at both acceptance and rejection responses for both inference types, and find uniform patterns once the acceptance vs. rejection variable is factored in. Experiment II adds a new dimension by testing for the influence of prosody on the two inference types, and in this regard clear difference between them emerge, posing a first substantive challenge to the Scalar Implicature approach to Presuppositions. A third set of experiments investigates yet another prediction: according to the Scalar Implicature approach to Presuppositions, the presuppositional inference is introduced as a simple entailment in affirmative contexts. This predicts that these presuppositional inferences behave parallel to other entailments. But in Experiment IIIa, a comparison of rejections of affirmative sentences based on either their presuppositional inference or their entailed content finds them to differ, with greater Response Times for the former. As an additional control, Experiments IIIb and IIIc test for parallel differences between two entailments associated with always, which yield uniform results. In sum, while Experiments Ia and Ib are in line with previous findings that Presuppositions and Scalar Implicatures under negation show uniform response time patterns, the differences found in Experiments II IIIa-c pose a substantial challenge to approaches assimilating Presuppositions and Scalar Implicatures, while being entirely in line with the traditional perspective of seeing the two phenomena as distinct.
LanguageEnglish
Article number44
Number of pages22
JournalFrontiers in Communication
Volume3
DOIs
Publication statusPublished - 11 Oct 2018

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experiment
acceptance
time

Keywords

  • Presupposition
  • scalar implicature
  • processing speed
  • response times
  • Prosody
  • semantics
  • pragmatics

Cite this

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title = "Processing presuppositions and implicatures: Similarities and differences",
abstract = "Presuppositions and Scalar implicatures are traditionally considered to be distinct phenomena, but recent approaches analyze certain Presuppositions as Scalar Implicatures. All else being equal, this ‘Scalar Implicature approach to Presuppositions’ predicts uniform behavior for the two types of inferences. Initial experimental studies comparing them yielded conflicting results. While some found a difference in the Response Time patterns of Scalar Implicatures and Presuppositions, others found them to be uniform. We argue that the difference in outcomes is attributable to a difference in the type of response being measured: Response Times associated with acceptance and rejection responses seem to pattern in opposite ways. Next, we report on a series of experiments to support this, and to compare the behavior of Presuppositions and Scalar Implicature more comprehensively. Experiments Ia and Ib look at both acceptance and rejection responses for both inference types, and find uniform patterns once the acceptance vs. rejection variable is factored in. Experiment II adds a new dimension by testing for the influence of prosody on the two inference types, and in this regard clear difference between them emerge, posing a first substantive challenge to the Scalar Implicature approach to Presuppositions. A third set of experiments investigates yet another prediction: according to the Scalar Implicature approach to Presuppositions, the presuppositional inference is introduced as a simple entailment in affirmative contexts. This predicts that these presuppositional inferences behave parallel to other entailments. But in Experiment IIIa, a comparison of rejections of affirmative sentences based on either their presuppositional inference or their entailed content finds them to differ, with greater Response Times for the former. As an additional control, Experiments IIIb and IIIc test for parallel differences between two entailments associated with always, which yield uniform results. In sum, while Experiments Ia and Ib are in line with previous findings that Presuppositions and Scalar Implicatures under negation show uniform response time patterns, the differences found in Experiments II IIIa-c pose a substantial challenge to approaches assimilating Presuppositions and Scalar Implicatures, while being entirely in line with the traditional perspective of seeing the two phenomena as distinct.",
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Processing presuppositions and implicatures: Similarities and differences. / Bill, Cory; Romoli, Jacopo; Schwarz, Florian.

In: Frontiers in Communication , Vol. 3, 44, 11.10.2018.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Processing presuppositions and implicatures: Similarities and differences

AU - Bill, Cory

AU - Romoli, Jacopo

AU - Schwarz, Florian

N1 - Copyright © 2018 Bill, Romoli and Schwarz. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY).

PY - 2018/10/11

Y1 - 2018/10/11

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