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Training "Zero" in preschoolers: Fast referential learning, slow relational integration.

Yanfei Yu1, Marianna Thorne1, David Barner1

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Summary
This summary is machine-generated.

Children acquire the concept of "zero" gradually. Training helped them understand "zero" as nothing and a specific null quantity, but did not improve their ability to compare numbers, supporting stage-based learning theories.

Keywords:
Cardinal principleNumber word trainingNumerical cognitionZero

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Area of Science:

  • Cognitive Development
  • Number Cognition
  • Early Childhood Education

Background:

  • Children's understanding of the number word "zero" often lags behind that of positive numbers.
  • Stage theories suggest children first perceive "zero" as "nothing" before grasping its cardinal meaning and numerical relations.
  • This delay may stem from limited exposure or inherent conceptual challenges associated with "zero."

Purpose of the Study:

  • To investigate if brief training can help "zero-non-knowers" acquire both the "nothing" and cardinal meanings of "zero."
  • To determine if associating "zero" with a null quantity of a specific kind aids in learning its cardinal meaning.
  • To assess if learning the referential meanings of "zero" impacts numerical comparison abilities.

Main Methods:

  • A training study involving children aged 3 to 5 years.
  • Session 1: Repeatedly matching an empty plate with the number word "zero."
  • Session 2: Associating "zero" with a null quantity within a specific set (e.g., zero bananas).

Main Results:

  • Children quickly mapped "zero" to an empty plate but needed more trials to associate it with a specific null quantity.
  • This suggests initial learning focused on "nothing" rather than a specific zero quantity.
  • Acquiring referential meanings of "zero" did not enhance numerical comparison skills.

Conclusions:

  • While limited exposure is a factor, understanding "zero" involves more than just its referential meaning.
  • The ability to compare numbers with "zero" appears to develop independently, aligning with stage theory.
  • Integrating "zero" into the number sequence may require a distinct conceptual shift.