Differences in the Evaluation of Generic Statements About Human and Non-Human Categories

Arber Tasimi, Susan A. Gelman, Andrei Cimpian, Joshua Knobe

Research output: Contribution to journalArticle

Abstract

Generic statements (e.g., “Birds lay eggs”) express generalizations about categories. Current theories suggest that people should be especially inclined to accept generics that involve threatening information. However, previous tests of this claim have focused on generics about non-human categories, which raises the question of whether this effect applies as readily to human categories. In Experiment 1, adults were more likely to accept generics involving a threatening (vs. a non-threatening) property for artifacts, but this negativity bias did not also apply to human categories. Experiment 2 examined an alternative hypothesis for this result, and Experiments 3 and 4 served as conceptual replications of the first experiment. Experiment 5 found that even preschoolers apply generics differently for humans and artifacts. Finally, Experiment 6 showed that these effects reflect differences between human and non-human categories more generally, as adults showed a negativity bias for categories of non-human animals, but not for categories of humans. These findings suggest the presence of important, early-emerging domain differences in people's judgments about generics.

Original languageEnglish (US)
Pages (from-to)1934-1957
Number of pages24
JournalCognitive Science
Volume41
Issue number7
DOIs
StatePublished - Sep 2017

Keywords

  • Cognitive development
  • Concepts
  • Generic language
  • Psychological essentialism

ASJC Scopus subject areas

  • Experimental and Cognitive Psychology
  • Cognitive Neuroscience
  • Artificial Intelligence

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