Attention, Perception, & Psychophysics

, Volume 79, Issue 6, pp 1777–1794 | Cite as

The impact of category structure and training methodology on learning and generalizing within-category representations

  • Shawn W. Ell
  • David B. Smith
  • Gabriela Peralta
  • Sébastien Hélie
Article
  • 110 Downloads

Abstract

When interacting with categories, representations focused on within-category relationships are often learned, but the conditions promoting within-category representations and their generalizability are unclear. We report the results of three experiments investigating the impact of category structure and training methodology on the learning and generalization of within-category representations (i.e., correlational structure). Participants were trained on either rule-based or information-integration structures using classification (Is the stimulus a member of Category A or Category B?), concept (e.g., Is the stimulus a member of Category A, Yes or No?), or inference (infer the missing component of the stimulus from a given category) and then tested on either an inference task (Experiments 1 and 2) or a classification task (Experiment 3). For the information-integration structure, within-category representations were consistently learned, could be generalized to novel stimuli, and could be generalized to support inference at test. For the rule-based structure, extended inference training resulted in generalization to novel stimuli (Experiment 2) and inference training resulted in generalization to classification (Experiment 3). These data help to clarify the conditions under which within-category representations can be learned. Moreover, these results make an important contribution in highlighting the impact of category structure and training methodology on the generalization of categorical knowledge.

Keywords

Knowledge representation Training methodology Generalization Category learning 

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Copyright information

© The Psychonomic Society, Inc. 2017

Authors and Affiliations

  • Shawn W. Ell
    • 1
  • David B. Smith
    • 2
  • Gabriela Peralta
    • 2
  • Sébastien Hélie
    • 3
  1. 1.Department of Psychology, Graduate School of Biomedical Sciences and EngineeringUniversity of MaineOronoUSA
  2. 2.Department of PsychologyUniversity of MaineOronoUSA
  3. 3.Department of Psychological SciencesPurdue UniversityWest LafayetteUSA

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