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Foraging, exploration, or search? On the (lack of) convergent validity between three behavioral paradigms

von Helversen, Bettina; Mata, Rui; Samanez-Larkin, Gregory R; Wilke, Andreas (2018). Foraging, exploration, or search? On the (lack of) convergent validity between three behavioral paradigms. Evolutionary Behavioral Sciences, 12(3):152-162.

Abstract

Recently it has been suggested that individual humans and other animals possess different levels of a general tendency to explore or exploit that may influence behavior in different contexts. In the present work, we investigated whether individual differences in this general tendency to explore (exploit) can be captured across three behavioral paradigms that involve exploration–exploitation trade-offs: A foraging task involving sequential search for fish in several ponds, a multiarmed bandit task involving repeatedly choosing from a set of options, and a sequential choice task involving choosing a candidate from a pool of applicants. Two hundred and sixty-one participants completed two versions of each of the three tasks. Structural equation modeling revealed that there was no single, general factor underlying exploration behavior in all tasks, even though individual differences in exploration were stable across the two versions of the same task. The results suggest that task-specific factors influence individual levels of exploration. This finding causes difficulties in the enterprise of measuring general exploration tendencies using single behavioral paradigms and suggests that more work is needed to understand how general exploration tendencies and task-specific characteristics translate into exploratory behavior in different contexts.

Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:06 Faculty of Arts > Institute of Psychology
Dewey Decimal Classification:150 Psychology
Scopus Subject Areas:Social Sciences & Humanities > Social Psychology
Social Sciences & Humanities > Experimental and Cognitive Psychology
Uncontrolled Keywords:Experimental and Cognitive Psychology, Social Psychology
Language:English
Date:2018
Deposited On:25 Jul 2018 14:10
Last Modified:22 Feb 2025 04:32
Publisher:American Psychological Association
ISSN:2330-2925
Additional Information:This paper is not the copy of record and may not exactly replicate the final, authoritative version of the article. Please do not copy or cite without authors permission. The final article will be available, upon publication, via its DOI: 10.1037/ebs0000121
OA Status:Hybrid
Publisher DOI:https://doi.org/10.1037/ebs0000121
Project Information:
  • Funder: SNSF
  • Grant ID: PP00P1_157432
  • Project Title: Understanding the Role of Memory in Judgments and Decisions: The Influence of Exemplars
  • Funder: U.S. National Institute on Aging
  • Grant ID: R00-AG042596
  • Project Title:
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