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Children’s sequential information search is sensitive to environmental probabilities

Nelson, JD, Divjak, B, Gudmundsdottir, G, Martignon, LF and Meder, B (2014) Children’s sequential information search is sensitive to environmental probabilities Cognition, 130 (1). pp. 74-80.

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We investigated 4th-grade children’s search strategies on sequential search tasks in which the goal is to identify an unknown target object by asking yes–no questions about its features. We used exhaustive search to identify the most efficient question strategies and evaluated the usefulness of children’s questions accordingly. Results show that children have good intuitions regarding questions’ usefulness and search adaptively, relative to the statistical structure of the task environment. Search was especially efficient in a task environment that was representative of real-world experiences. This suggests that children may use their knowledge of real-world environmental statistics to guide their search behavior. We also compared different related search tasks. We found positive transfer effects from first doing a number search task on a later person search task.

Item Type: Article
Subjects : Psychology
Divisions : Faculty of Health and Medical Sciences > School of Psychology
Authors :
Nelson, JD
Divjak, B
Gudmundsdottir, G
Martignon, LF
Meder, B
Date : January 2014
DOI : 10.1016/j.cognition.2013.09.007
Copyright Disclaimer : © 2013 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY license.
Uncontrolled Keywords : Information search, Optimal experimental design principles, Twenty-questions game, Optimality, Heuristics, Information gain
Depositing User : Symplectic Elements
Date Deposited : 26 Apr 2017 07:35
Last Modified : 31 Oct 2017 19:19

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