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The effects of prior processing episodes on basic-level superiority
E L Lin1, G L Murphy, E J Shoben
1University of Illinois, Urbana, USA.
Summary
Prior experiences modestly influence object categorization, slightly reducing the preference for basic-level concepts (e.g., dog) over broader (animal) or narrower (Dalmatian) categories. This basic-level advantage shows notable stability.
Area of Science:
- Cognitive Psychology
- Experimental Psychology
- Cognitive Science
Background:
- Humans exhibit a robust preference for categorizing objects at the basic level.
- The stability of this basic-level advantage across different contexts is not fully understood.
- Prior processing episodes may influence conceptual representation and categorization behavior.
Purpose of the Study:
- To investigate how prior processing episodes affect the preference for basic-level categorization.
- To compare the impact of context on basic-level versus superordinate and subordinate categorization.
- To determine the stability of the basic-level advantage in object categorization.
Main Methods:
- Four experiments were conducted involving prior processing episodes.
- Prior episodes were designed to activate superordinate or subordinate representations.
- Participants performed free naming or picture categorization tasks.
Main Results:
- Prior processing episodes modestly reduced the basic-level advantage in categorization tasks.
- This effect was not observed in free naming tasks.
- Contextual effects on basic-level preference were less pronounced than on other categorization aspects.
Conclusions:
- The basic-level advantage in object categorization is context-dependent.
- However, this advantage demonstrates considerable stability compared to other categorization behaviors.
- Conceptual representation exhibits a stable preference for the basic level.