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Updated: Jul 20, 2025

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The Improvement Default: People Presume Improvement When Lacking Information.

James G Hillman1, Jillian P Antoun1, David J Hauser1

  • 1Queen's University, Kingston, Ontario, Canada.

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PubMed
Summary

People often assume things improve over time, even without evidence. This study shows this "improvement default" can lead to complacency, hindering efforts to address societal issues like inequality.

Keywords:
changeimprovementjudgment and decision-makingnegativity biastemporal self appraisalsunrealistic optimism

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Area of Science:

  • Cognitive Psychology
  • Social Psychology

Background:

  • Cultural narratives often emphasize progress and improvement.
  • This can create an accessible expectation of positive change.

Purpose of the Study:

  • To investigate the
  • To examine the consequences of this improvement default.

Main Methods:

  • Five studies were conducted to test the improvement default.
  • Methods included examining historical perceptions, arranging life experiences, evaluating fictional scenarios, and assessing policy support.

Main Results:

  • Participants frequently presumed improvement even in domains with historical decline.
  • A tendency to create improvement trends was observed.
  • Lack of information led to assumptions of improvement.
  • Perceived past improvement reduced support for policies aimed at future progress.

Conclusions:

  • An
  • This cognitive bias can foster complacency and hinder proactive efforts to address societal problems such as inequality.