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Fast and effective: Intuitive processes in complex decisions.

Michael Brusovansky1, Moshe Glickman2, Marius Usher3

  • 1School of Psychological Sciences and Sagol School of Neuroscience, Tel-Aviv University, Tel-Aviv, Israel. brusovan@post.tau.ac.il.

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Summary
This summary is machine-generated.

People can intuitively estimate weighted averages for complex decisions, with many using the Weighted Additive Utility (WADD) strategy. This suggests an automatic compensatory mechanism exists for such estimations.

Keywords:
Compensatory processDecision makingTake-the-bestWeighted average

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Area of Science:

  • Cognitive Psychology
  • Decision Science

Background:

  • Complex decisions often involve evaluating multiple attributes with varying importance.
  • Heuristics are commonly used to simplify these multi-attribute decisions.

Purpose of the Study:

  • To investigate whether complex multi-attribute decisions, requiring weighted average estimation, can be made intuitively.
  • To identify decision strategies employed under time constraints.

Main Methods:

  • 26 participants completed 600 trials of a job-candidate selection task.
  • The task involved comparing two alternatives across 3-5 dimensions with specified weights under time pressure.
  • Participant strategies were classified as Weighted Additive Utility (WADD), Equal Weight, or Take-The-Best (TTB).

Main Results:

  • Participants made decisions quickly (mean RT ~1.5s) with high accuracy (~86%).
  • 59% used the compensatory WADD strategy, while 29% used the non-compensatory TTB heuristic.
  • WADD users achieved higher accuracy without increased decision time.

Conclusions:

  • The study supports the existence of an automatic compensatory mechanism for weighted average estimations.
  • Intuitive complex decision-making, particularly using WADD, is feasible and effective.