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Related Experiment Videos

Representational flexibility and response control in a multistep multilocation search task

P D Zelazo1, J S Reznick, J Spinazzola

  • 1Department of Psychology, University of Toronto, Ontario, Canada. zelazo@psych.utoronto.ca

Developmental Psychology
|May 23, 1998
PubMed
Summary
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Active search, not just observing, causes 2-year-olds to make perseverative errors in object search tasks. This suggests a problem with response control, not understanding object permanence.

Area of Science:

  • Cognitive Development
  • Child Psychology
  • Developmental Psychology

Background:

  • Perseverative errors are common in young children's cognitive tasks.
  • Understanding the causes of these errors is crucial for developmental research.

Purpose of the Study:

  • To investigate the factors influencing perseverative errors in 2-year-olds during a search task.
  • To differentiate between failures of response control and representational inflexibility.

Main Methods:

  • Three experiments were conducted with 2-year-old children.
  • Methods involved active object retrieval versus passive observation of hiding events.
  • Testing occurred across preswitch, postswitch, and pretest/test trial phases.

Main Results:

Related Experiment Videos

  • Active search, but not mere observation, led to perseverative errors on postswitch trials.
  • Results were consistent even when active search occurred without observation.
  • Children tended to search in previously searched locations, indicating response control issues.

Conclusions:

  • Active engagement in searching is a key determinant of perseverative errors in young children.
  • Findings support the hypothesis that these errors stem from difficulties in response inhibition.
  • The results highlight the importance of motor actions in cognitive development and error patterns.