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Related Concept Videos

Levels of Organization01:09

Levels of Organization

Biological organization is the classification of biological structures, ranging from atoms at the bottom of the hierarchy to the Earth's biosphere. Each level of the hierarchy represents an increase in complexity that builds upon the previous level.Molecules Are Composed of Atoms, and Biomolecules Are Assembled from Molecules:The most basic levels include atoms, molecules, and biomolecules. Atoms, the smallest unit of ordinary matter, are composed of a nucleus and electrons. Molecules comprise...
The Representativeness Heuristic02:13

The Representativeness Heuristic

The representative heuristic describes a biased way of thinking, in which you unintentionally stereotype someone or something. For example, you may assume that your professors spend their free time reading books and engaging in intellectual conversation, because the idea of them spending their time playing volleyball or visiting an amusement park does not fit in with your stereotypes of professors.
Hierarchy of Motor Control01:18

Hierarchy of Motor Control

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Trophic Levels01:35

Trophic Levels

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Ordinal Level of Measurement00:55

Ordinal Level of Measurement

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Related Experiment Video

Updated: Jun 1, 2026

A Psychophysics Paradigm for the Collection and Analysis of Similarity Judgments
08:12

A Psychophysics Paradigm for the Collection and Analysis of Similarity Judgments

Published on: March 1, 2022

Representation at different levels in a conceptual hierarchy.

Wouter Voorspoels1, Gert Storms, Wolf Vanpaemel

  • 1Department of Psychology, K.U. Leuven, Belgium. wouter.voorspoels@psy.kuleuven.be

Acta Psychologica
|May 31, 2011
PubMed
Summary

Human concept representation varies by hierarchical level. Subordinate concepts use exemplar models, while superordinate concepts favor ideal representations, challenging single-model categorization theories.

Related Experiment Videos

Last Updated: Jun 1, 2026

A Psychophysics Paradigm for the Collection and Analysis of Similarity Judgments
08:12

A Psychophysics Paradigm for the Collection and Analysis of Similarity Judgments

Published on: March 1, 2022

Area of Science:

  • Cognitive Psychology
  • Computational Neuroscience
  • Artificial Intelligence

Background:

  • Understanding how humans categorize information is crucial for cognitive science.
  • Hierarchical structures are fundamental to human conceptual organization.
  • Previous models often focused on unitary approaches to categorization.

Purpose of the Study:

  • To investigate the influence of hierarchical levels on conceptual representation.
  • To compare the performance of exemplar, prototype, and ideal representation models.
  • To determine which models best explain category typicality gradients.

Main Methods:

  • Evaluated three computational models: exemplar, prototype, and ideal representation.
  • Assessed model fit with empirical data on category typicality.
  • Utilized marginal likelihood for model generalizability assessment.
  • Examined the conceptual domain of clothes with subordinate and superordinate categories.

Main Results:

  • Hierarchical level significantly impacts conceptual representation.
  • Exemplar representations were favored for subordinate-level concepts (e.g., trousers).
  • Ideal representation models were overwhelmingly preferred for the superordinate category (CLOTHES).

Conclusions:

  • Human conceptual systems utilize multiple representation types.
  • Findings support a dual-process view of categorization, integrating exemplar and abstract representations.
  • Contradicts theories proposing a single, unified model for all categorization tasks.