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Generic statements require little evidence for acceptance but have powerful implications
Andrei Cimpian1, Amanda C Brandone, Susan A Gelman
1Department of Psychology, University of Illinois at Urbana-Champaign.
Cognitive Science
|December 1, 2010
Summary
Generic statements imply broad truths but require minimal evidence. This study reveals a paradoxical asymmetry in how people understand and accept these generalizations, even for novel concepts.
Area of Science:
- Cognitive Science
- Linguistics
- Psychology
Background:
- Generic statements, like "Birds lay eggs," generalize about categories.
- Understanding the meaning and acceptance of generics is crucial for communication.
Purpose of the Study:
- To investigate the paradoxical asymmetry in generic meaning: strong implications with low evidence requirements.
- To explore how dangerous or distinctive properties affect the acceptability of novel generic statements.
Main Methods:
- Four experiments were conducted using novel generic sentences.
- Participants judged the truth and acceptability of generics based on varying prevalence levels.
- The study examined the impact of property type (dangerous/distinctive) on generic interpretation.
Main Results:
- Participants interpreted novel generics as applying to nearly all members of a category.
- Generics were judged true across a wide range of prevalence levels (e.g., 10%-30%).
- Novel generics with dangerous or distinctive properties were more acceptable.
Conclusions:
- A paradoxical asymmetry exists in generic meaning, characterized by strong implications and low evidence thresholds.
- The nature of the property described significantly influences the acceptability of generic statements.
- Findings have implications for understanding stereotyping and political discourse.
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