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Related Experiment Video

Updated: May 6, 2026

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Children's sequential information search is sensitive to environmental probabilities.

Jonathan D Nelson1, Bojana Divjak, Gudny Gudmundsdottir

  • 1Center for Adaptive Behavior and Cognition (ABC), Max Planck Institute for Human Development, Lentzeallee 94, 14195 Berlin, Germany.

Cognition
|November 5, 2013
PubMed
Summary
This summary is machine-generated.

Fourth-grade children effectively use adaptive search strategies in sequential tasks, leveraging real-world knowledge for efficient object identification. Positive transfer effects were observed between different search tasks.

Keywords:
HeuristicsInformation gainInformation searchOptimal experimental design principlesOptimalityTwenty-questions game

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Area of Science:

  • Cognitive Psychology
  • Developmental Psychology
  • Information Science

Background:

  • Children's ability to efficiently search for information is crucial for learning.
  • Sequential search tasks require strategic questioning to identify target information.
  • Understanding children's search strategies informs educational and cognitive development research.

Purpose of the Study:

  • To investigate the search strategies employed by 4th-grade children in sequential search tasks.
  • To evaluate the adaptiveness and efficiency of children's questioning strategies.
  • To explore the influence of task environment statistics and prior experience on search performance.

Main Methods:

  • Children performed sequential search tasks involving yes-no questions to identify target objects.
  • Exhaustive search methods were used to determine optimal question strategies.
  • Children's questions were evaluated for their usefulness and adaptiveness to the task environment.

Main Results:

  • Children demonstrated good intuition regarding the usefulness of their questions.
  • Search behavior was adaptive to the statistical structure of the task environment.
  • Search efficiency was higher in task environments reflecting real-world experiences.
  • Positive transfer effects were found from number search to person search tasks.

Conclusions:

  • Fourth-grade children possess intuitive and adaptive search strategies.
  • Real-world environmental statistics likely inform children's search behavior.
  • Prior search experience can positively influence performance on subsequent, related tasks.