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Stability and change in longitudinal water-level task performance.

H Thomas1, A Lohaus, T Kessler

  • 1Department of Psychology, The Pennsylvania State University, University Park 16802-3105, USA. hxt@psu.edu

Developmental Psychology
|August 12, 1999
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Summary
This summary is machine-generated.

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Area of Science:

  • Cognitive Development
  • Developmental Psychology
  • Educational Psychology

Background:

  • Understanding cognitive strategy development in children is crucial.
  • Previous research suggests strategy shifts during childhood.
  • Longitudinal data on strategy stability is limited.

Purpose of the Study:

  • To investigate the longitudinal stability of cognitive strategies in children.
  • To model the developmental trajectory of water-level task performance.
  • To identify distinct strategy states and transitions over time.

Main Methods:

  • Longitudinal study with 481 children aged 8-16 years.
  • Three yearly assessments of performance on 8 water-level items.
  • Random-effects binomial mixture distribution and stochastic transition models were employed.

Main Results:

  • Task performance generally improved with age.
  • The majority of children demonstrated strategy stability over the study period.
  • Transitions between strategy states were less common than remaining in a state.

Conclusions:

  • Cognitive strategy development in children is characterized more by stability than by frequent change.
  • Most children maintain consistent strategies (bottom-parallel, random, or accurate responders) as they age.
  • The findings highlight the persistence of cognitive approaches during development.