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Number line estimation in highly math-anxious individuals.

María Isabel Núñez-Peña1,2,3, Àngels Colomé2,4, David Aguilar-Lleyda2,4

  • 1Department of Social Psychology and Quantitative Psychology, Faculty of Psychology, University of Barcelona, Spain.

British Journal of Psychology (London, England : 1953)
|July 25, 2018
PubMed
Summary
This summary is machine-generated.

Highly math-anxious individuals (HMA) struggle with number line tasks involving unfamiliar ranges. Math anxiety impacts performance on complex number line estimations, not general numerical precision.

Keywords:
Math anxietyanxiety-complexity effectmagnitude representationnumber line tasknumerical estimation

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Area of Science:

  • Cognitive Psychology
  • Mathematics Education
  • Neuroscience

Background:

  • Math anxiety is a prevalent issue affecting learning and performance in mathematics.
  • Previous research suggests math anxiety may be linked to less precise numerical representations.

Purpose of the Study:

  • To investigate the specific difficulties highly math-anxious individuals (HMA) experience in number line estimation tasks.
  • To determine if math anxiety affects performance on familiar versus unfamiliar number line scales.

Main Methods:

  • Twenty-four HMA and 24 low math-anxiety (LMA) individuals estimated number positions on four number lines (0-100, 0-1,000, 0-100,000, 267-367).
  • Performance was analyzed using linear model slopes and intercepts, percentage absolute error, and response times.

Main Results:

  • No group differences in best-fit linear model frequency or response times were observed.
  • HMA individuals showed lower slopes and higher intercepts on unfamiliar number lines (267-367 and 0-100,000), indicating overestimation of small and underestimation of large numbers.
  • HMA individuals exhibited greater percentage absolute error on these less familiar lines compared to LMA individuals.

Conclusions:

  • Math anxiety is associated with reduced accuracy and precision specifically on less familiar and more complex number line tasks.
  • The findings challenge the notion that HMA individuals possess inherently less precise numerical representations.
  • Results support the anxiety-complexity effect, suggesting anxiety impacts performance more on difficult tasks.