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Updated: Sep 13, 2025

Multimedia Battery for Assessment of Cognitive and Basic Skills in Mathematics BM-PROMA
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Development and validation of the NIH Baby Toolbox® Math measures.

Sarah Pila1, Y Catherine Han1, Hubert Adam1

  • 1Northwestern University Feinberg School of Medicine, Chicago, IL, USA.

Infant Behavior & Development
|July 30, 2025
PubMed
Summary
This summary is machine-generated.

The NIH Baby Toolbox® Math measures reliably assess early math skills in infants and toddlers. These validated tools support research and clinical use for foundational mathematical development.

Keywords:
Cognitive developmentDevelopmental assessmentEarly childhoodInfancyMathematicsNIH baby toolbox

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Area of Science:

  • Developmental Psychology
  • Early Childhood Education
  • Psychometrics

Background:

  • Early mathematical abilities are crucial for later academic success.
  • Standardized tools are needed to assess foundational math skills in infants and toddlers.
  • The NIH Baby Toolbox® Math measures were developed to fill this gap.

Purpose of the Study:

  • To describe the development of the NIH Baby Toolbox® Math measures.
  • To evaluate the reliability and validity of these measures in a diverse sample of young children.
  • To confirm the measures' ability to differentiate developmental levels.

Main Methods:

  • Development and validation of novel math assessment tools for children aged 1-42 months.
  • Recruitment of a large, diverse sample (>2500 participants) across socio-economic and geographic strata.
  • Multi-method validation including age correlation, test-retest reliability, and external validity against ASQ-3 and Bayley-4.

Main Results:

  • Measures demonstrated strong correlations with age and good test-retest reliability in N=926 participants.
  • Significant correlations with established assessments (ASQ-3, Bayley-4) confirmed known-groups validity.
  • The NIH Baby Toolbox® Math measures proved reliable and valid for diverse English- and Spanish-exposed populations.

Conclusions:

  • The NIH Baby Toolbox® Math measures are robust tools for assessing early mathematical skills in infants and toddlers.
  • These measures have significant potential for application in research and clinical settings.
  • Future research should focus on longitudinal outcomes and intervention impacts on mathematical development.