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  1. Home
  3. How Uncertainty Affects Children's Exploration And Exploitation In Statistical Learning.
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  3. How Uncertainty Affects Children's Exploration And Exploitation In Statistical Learning.

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How Uncertainty Affects Children's Exploration and Exploitation in Statistical Learning.

Shelley Xiuli Tong1, Puyuan Zhang1, Mei Zhou1

  • 1Academic Unit of Human Communication, Learning, and Development, Faculty of Education, The University of Hong Kong, Hong Kong, China.

Developmental Science
|June 12, 2026

View abstract on PubMed

Summary
This summary is machine-generated.

Children

Keywords:
conditional entropyexploration‐exploitationeye‐trackingpredictive codinguncertaintyvisual statistical learning

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Area of Science:

  • Cognitive Science
  • Developmental Psychology
  • Neuroscience

Background:

  • Cognitive systems adapt to environmental uncertainty by balancing exploitation and exploration.
  • Understanding how children balance these strategies under varying uncertainty levels is crucial for developmental models.
  • Previous research primarily focused on adult exploration-exploitation dynamics.

Purpose of the Study:

  • To investigate how local and global uncertainty jointly influence children's exploration-exploitation strategies.
  • To examine age-related differences in attentional strategies during statistical learning.
  • To develop a dynamic model of exploration-exploitation in childhood.

Main Methods:

  • Utilized eye-tracking technology combined with a probabilistic cueing task.
  • Quantified local and global uncertainty on a trial-by-trial basis.
  • Assessed attentional preferences for cues with varying predictive values in 158 children (4-13 years).

    • Main Results:

    • High global uncertainty led to attention bias toward high-predictive cues (uncertainty-exploitation) or low-predictive cues (certainty-exploration) based on local uncertainty.
    • Low global uncertainty reversed these attentional biases, favoring certainty-exploitation and uncertainty-exploration.
    • These uncertainty-driven attentional patterns were more pronounced in older children and less so in younger children.

    Conclusions:

    • Children's attention strategies are dynamically regulated by both local and global uncertainty.
    • Exploration-exploitation strategies undergo systematic developmental changes throughout childhood.
    • Findings support a dynamic developmental model of cognitive strategy adaptation under uncertainty.