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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
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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.

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.

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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.