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Automatic and intentional processing of numerical order and its relationship to arithmetic performance.

Stephan E Vogel1, Nikolaus Koren1, Stefan Falb1

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Numerical order processing is automatic but linked to arithmetic skills only when intentionally verified. Verifying number sequences mentally is key to understanding this relationship.

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Educational Psychology

Background:

  • Numerical order processing, understanding that numbers follow a sequence, predicts arithmetic ability.
  • The automaticity and intentionality of this processing in relation to arithmetic performance are not fully understood.

Purpose of the Study:

  • To investigate if numerical order sequences are processed automatically.
  • To determine if automatic and intentional ordinal processing differentially relate to arithmetic performance.

Main Methods:

  • Adults completed an ordinal congruity task to assess automatic processing.
  • Participants also performed an ordinal verification task and an arithmetic fluency test.
  • Congruency effects and reaction times were analyzed.

Main Results:

  • Ascending numerical order appears to be processed automatically, influenced by numerical distance.
  • A congruency effect was observed in the ordinal congruity task.
  • Only reaction times from intentional ordinal verification correlated with arithmetic performance.

Conclusions:

  • Ascending numerical order processing is largely automatic.
  • The link between numerical order processing and arithmetic skills is primarily associated with intentional verification, not automatic processing.
  • Mental engagement in verifying number order is crucial for arithmetic performance.