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Related Experiment Video

Updated: Dec 6, 2025

Using the Visual World Paradigm to Study Sentence Comprehension in Mandarin-Speaking Children with Autism
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Class inclusion versus quantifiers comprehension tasks: an experimental study with school-aged children.

Marcella Brunetti1, Rosalia Di Matteo2, Tiziana Aureli2

  • 1Department of Neuroscience, Imaging e Clinical Sciences, Institute for Advanced Biomedical Technologies (ITAB), University "G. d'Annunzio" of Chieti and Pescara, Via dei Vestini, 33, 66100, Chieti, CH, Italy. mbrunetti@itab.unich.it.

Cognitive Processing
|October 6, 2020
PubMed
Summary

Preschool children struggle with quantified sentences, unlike class inclusion tasks. This suggests distinct developmental paths for these logical reasoning skills in early childhood.

Keywords:
Class inclusionCognitive developmentLogical reasoningQuantifiers

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Area of Science:

  • Developmental Psychology
  • Cognitive Science
  • Linguistics

Background:

  • Preschool children face challenges with quantified sentences (e.g., 'all', 'some').
  • Piagetian theory links these quantifier comprehension difficulties to broader logical reasoning limitations seen in tasks like class inclusion.
  • A direct comparison between quantifier comprehension and class inclusion tasks in young children has been lacking.

Purpose of the Study:

  • To investigate the logical underpinnings of quantifier comprehension difficulties in preschool children.
  • To directly compare children's performance on quantifier comprehension tasks versus class inclusion tasks.
  • To examine the developmental trajectories of these two distinct cognitive abilities.

Main Methods:

  • A sentence-picture matching task was administered to two age groups: 5-6 years old and 7-8 years old.
  • Stimuli included pictures with partially overlapping entity sets, designed to test both quantified and class inclusion concepts.
  • Children responded to questions based on the presented pictures, assessing their understanding of quantifiers and class inclusion.

Main Results:

  • Younger children (5-6 years) performed significantly worse on the quantifier task compared to the class inclusion task.
  • Older children (7-8 years) showed improved performance on both tasks, with no significant difference between quantifier and class inclusion performance.
  • Performance on the quantifier task improved with age, while class inclusion performance also showed age-related gains.

Conclusions:

  • The specific cognitive abilities required for quantifier comprehension and class inclusion appear to develop independently.
  • Early childhood cognitive development involves distinct pathways for mastering different types of logical reasoning and language comprehension.
  • Findings challenge a unified view of logical reasoning limitations and support more nuanced developmental models.