The role of impulses in shaping decisions

Judith Avrahami*, Yaakov Kareev

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

This paper explores the extent to which decision behavior is shaped by short-lived reactions to the outcome of the most recent decision. We inspected repeated decision-making behavior in two versions of each of two decision-making tasks, an individual task and a strategic one. By regressing behavior onto the outcomes of recent decisions, we found that the upcoming decision was well predicted by the most recent outcome alone, with the tendency to repeat a previous action being affected both by its actual outcome and by the outcomes of actions not taken. Because the goodness of predictions based on the most recent outcome did not diminish as participants gained experience with the task, we conclude that repeated decisions are continuously affected by impulsive reactions.

Original languageEnglish
Pages (from-to)515-529
Number of pages15
JournalJournal of Behavioral Decision Making
Volume24
Issue number5
DOIs
StatePublished - Dec 2011

Keywords

  • Impulses
  • Individual decision making
  • Repeated decisions
  • Strategic decision making

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