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Related Experiment Videos

Combinatorial skills: converging developments over the second year.

C A Brownell1

  • 1Psychology Department, University of Pittsburgh, PA 15260.

Child Development
|June 1, 1988
PubMed
Summary

Older toddlers demonstrate enhanced combinatorial skills across various behaviors, showing more complex actions and fewer simple ones. These abilities develop consistently across different activities and age groups.

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Area of Science:

  • Developmental Psychology
  • Cognitive Development
  • Behavioral Science

Background:

  • Toddlers develop combinatorial abilities, integrating discrete behaviors into complex actions.
  • Understanding the developmental trajectory and domain-specificity of these skills is crucial.

Purpose of the Study:

  • To examine toddlers' combinatorial abilities across diverse behavioral domains.
  • To investigate the influence of age and task demands on these emerging skills.

Main Methods:

  • Observed elicited imitation and spontaneous production of combinations in 6 behavioral domains.
  • Assessed performance based on age (20 vs. 27 months) and task variables.
  • Analyzed the number of combinatorial vs. non-combinatorial behaviors.

Main Results:

  • Older toddlers (27 months) produced significantly more combinations than younger toddlers (20 months) across all domains.
  • Combinatorial skill production was consistent across different behavioral domains.
  • Four of five manipulated task demands, including component familiarity and combination length, affected performance.

Conclusions:

  • Toddlers' combinatorial abilities show significant age-related gains and cross-domain consistency.
  • Task demands play a role in modulating the expression of these skills.
  • Findings suggest general, cross-domain constraints on combinatorial skills during toddlerhood.

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