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This study compared six experimental paradigms for mental arithmetic research. Findings show consistent effects on reaction time but varying accuracy, highlighting the impact of paradigm choice on numerical cognition research.

Keywords:
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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Mathematics Education

Background:

  • Research on mental arithmetic employs diverse experimental paradigms.
  • The comparability of findings across these paradigms remains unclear.
  • Understanding paradigm-specific influences is crucial for reliable numerical cognition research.

Purpose of the Study:

  • To systematically compare six experimental paradigms in mental arithmetic.
  • To investigate how different paradigms influence performance metrics like reaction time and accuracy.
  • To identify similarities and differences in cognitive processes across paradigms.

Main Methods:

  • Comparison of six paradigms: decision (verification, forced-choice, delayed forced-choice) and production (written, verbal-keyboard, simple verbal).
  • Analysis of arithmetic effects related to operation (addition/subtraction) and task difficulty (carry/borrow).
  • Measurement of reaction time and accuracy across all paradigms.

Main Results:

  • Consistent arithmetic effects (operation, difficulty) observed across all paradigms for reaction time.
  • Significant variations in accuracy measures were found between paradigms.
  • Verbal-keyboard and simple verbal production paradigms demonstrated larger effect sizes for accuracy.

Conclusions:

  • Paradigm selection significantly influences observed outcomes in mental arithmetic research.
  • Methodological insights are provided to guide future research design and interpretation.
  • Enhancing the reliability and ecological validity of numerical cognition findings is essential.