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The norm of assertion: Empirical data.

Markus Kneer1

  • 1University of Zurich, Rämistrasse 66, 8001 Zurich, Switzerland.

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Summary
This summary is machine-generated.

This study empirically investigates the norms of assertion, finding that knowledge and truth are poor predictors of assertability. Instead, justified belief is the key condition for making a warranted assertion.

Keywords:
AssertionJustificationKnowledgeNorm of assertionSpeech actsTruth

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Area of Science:

  • Philosophy of Language
  • Cognitive Science
  • Linguistics

Background:

  • Assertions are fundamental speech acts expressing beliefs, central to linguistic and social interactions.
  • Existing theories propose norms for assertion, such as the knowledge account (assert only if you know) or the truth account (assert only if true).

Purpose of the Study:

  • To empirically investigate the conditions under which assertions are normatively acceptable.
  • To test the predictive power of knowledge and truth accounts versus a justification account for assertion.

Main Methods:

  • Conducted a series of four experiments to gather empirical data on assertion norms.
  • Analyzed assertability based on varying conditions related to knowledge, truth, and justification.

Main Results:

  • Contrary to previous findings, knowledge was found to be a poor predictor of assertability.
  • The norm of assertion was not found to be factive (dependent on truth).
  • Empirical evidence supports justification as the primary condition for warranted assertion.

Conclusions:

  • The findings challenge traditional knowledge and truth-based accounts of assertion norms.
  • Empirical support is provided for the view that justified belief is the necessary condition for warranted assertion.