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Updated: Jan 17, 2026

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ABCDscores: An R package for computing summary scores in the ABCD Study®.

Le Zhang1,2, Olivier Celhay1,2, Biplabendu Das1,2

  • 1Center for Multimodal Imaging & Genetics, J. Craig Venter Institute, La Jolla, USA.

Biorxiv : the Preprint Server for Biology
|September 18, 2025
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Summary
This summary is machine-generated.

ABCDscores is a new R package for the Adolescent Brain Cognitive Development (ABCD) Study. It offers transparent, reproducible scoring for child health and brain development data, improving research efficiency.

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Area of Science:

  • Neuroscience
  • Developmental Psychology
  • Biostatistics

Background:

  • The Adolescent Brain Cognitive Development (ABCD) Study collects extensive multimodal data on child health and brain development.
  • Previous methods for calculating summary scores in the ABCD dataset were rigid, unreliable, and lacked transparency.
  • Existing scoring approaches relied on REDCap or external scripts, hindering data analysis.

Purpose of the Study:

  • Introduce ABCDscores, an R software package for computing summary scores within the ABCD Study.
  • Provide a flexible, open-source solution for transparent and reproducible data scoring.
  • Enable customization to meet diverse research requirements.

Main Methods:

  • Developed an R package, ABCDscores, to standardize score computation.
  • Implemented methods for applying scoring across various assessment types.
  • Ensured consistency and accuracy for large-scale datasets.

Main Results:

  • ABCDscores computes most non-proprietary summary scores for the ABCD data resource.
  • The package offers a user-friendly process for complex scoring procedures.
  • Streamlined research workflows, reduced errors, and saved researcher time.

Conclusions:

  • ABCDscores enhances the analysis of ABCD Study data through transparent and reproducible scoring.
  • The package serves as a model for developing similar tools in other research studies.
  • Fosters innovation and new discoveries in child brain development research.