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Adding a small loss to a gamble paradoxically increases its attractiveness. This study proposes a new model where gambles evoke different reference points, influencing perceived value and decision-making.

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Area of Science:

  • Behavioral Economics
  • Decision Science
  • Cognitive Psychology

Background:

  • Gamble attractiveness is influenced by framing and reference points.
  • Previous explanations focused on affective evaluability of potential gains.
  • The role of reference sets in decision-making under uncertainty requires further investigation.

Purpose of the Study:

  • To propose and test an alternative model for explaining gamble attractiveness.
  • To investigate the influence of evoked reference sets on decision-making.
  • To differentiate between rational and irrational effects of reference sets on value perception.

Main Methods:

  • Five experiments were conducted to test the evoked reference set model.
  • Participants rated gamble attractiveness, willingness-to-pay, and made choice decisions.
  • Gamble framing and objective content were manipulated to evoke different reference sets.

Main Results:

  • The evoked reference set model provides a strong explanation for observed gamble preferences.
  • Reference sets significantly impacted scale interpretation in attractiveness ratings.
  • Effects on the internal representation of value were less consistent across willingness-to-pay and choice tasks.

Conclusions:

  • Evoked reference sets, not just affective evaluability, explain paradoxical gamble attractiveness.
  • Reference sets have a dual effect: rational on scale interpretation and potentially irrational on value representation.
  • Understanding reference set dynamics is crucial for predicting choices in uncertain situations.