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Related Experiment Videos

Postdecision consolidation in a trend prediction task.

C G Lundberg1, O Svenson

  • 1Duquesne University.

Scandinavian Journal of Psychology
|June 28, 2000
PubMed
Summary
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Decision-makers learn from experience by reinterpreting past predictions after receiving outcome feedback. This post-decision consolidation, influenced by whether decisions were correct or incorrect, affects perceived aspect importance.

Area of Science:

  • Cognitive Psychology
  • Decision Science
  • Behavioral Economics

Background:

  • Effective learning requires accurate interpretation of feedback within its context.
  • Recurrent decision-making, especially with high stakes, is susceptible to biases in learning from experience.
  • Post-decision consolidation and its impact on memory and judgment are critical areas of study.

Purpose of the Study:

  • To investigate how outcome feedback influences the restructuring of facts and perceived aspect importance after a decision.
  • To explore changes in aspect importance from pre-decision prediction to post-decision recall (postdiction).
  • To examine the role of outcome information in complex decision-making domains with inherent risks.

Main Methods:

  • Subjects predicted future price developments and rated aspect importance.

Related Experiment Videos

  • Participants received feedback on their decision accuracy (correct, incorrect but close, incorrect by far, control).
  • Post-feedback, subjects re-evaluated the importance of aspects related to their initial prediction.

    • Main Results:

    • Outcome feedback significantly altered post-decision restructuring of facts.
    • Correct decisions led to increased perceived support for initial choices (positive consolidation).
    • Incorrect decisions resulted in decreased perceived support (negative consolidation), aligning with hindsight bias.

    Conclusions:

    • Decision-makers tend to consolidate the outcome, adjusting their memory of past judgments to align with new information.
    • This phenomenon highlights the influence of hindsight bias and the mutability of past judgments.
    • Understanding post-decision consolidation is crucial for improving learning from experience in complex, high-risk environments.