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Metrics for quantifying co-development at the individual level.

Ashley A Edwards1, Yaacov Petscher2

  • 1Florida Center for Reading Research, Florida State University, 2010 Levy Avenue, Suite 100, Tallahassee, Florida, 32310, USA. aedwards@fcrr.org.

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Summary
This summary is machine-generated.

This study introduces two new metrics, the co-development change ratio (CCR) and angle of co-development metric (ACM), to quantify individual differences in skill development. These metrics offer a more objective approach than visual inspection of vector plots.

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Co-developmentGrowthIndividual differencesVector plots

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Area of Science:

  • Developmental Psychology
  • Quantitative Methods
  • Skill Acquisition

Background:

  • Co-development research traditionally focuses on group-level dynamics.
  • Individual differences in co-development are crucial but often overlooked.
  • Existing visual methods for assessing individual co-development lack quantitative rigor.

Purpose of the Study:

  • To introduce novel quantitative metrics for assessing individual co-development.
  • To provide a tutorial on calculating and interpreting these new metrics.
  • To enable more precise analysis of how individuals develop skills relative to peers.

Main Methods:

  • Proposal of the co-development change ratio (CCR) metric.
  • Proposal of the angle of co-development metric (ACM).
  • Demonstration of calculation and interpretation for individual-level analysis.

Main Results:

  • CCR quantifies the symmetry of skill development relative to peer growth.
  • ACM measures the relative amount and direction of change in each skill.
  • These metrics offer objective, calculable measures of individual co-development.

Conclusions:

  • CCR and ACM provide robust quantitative tools for understanding individual co-development.
  • These metrics advance beyond subjective visual analysis of vector plots.
  • The proposed methods facilitate deeper insights into differential skill acquisition patterns.