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Actor-observer differences in realism in confidence and frequency judgments.

Carl Martin Allwood1, Marcus Johansson

  • 1Department of Psychology, Lund University, Box 213, SE-221 00 Lund, Sweden. cma@psychology.lu.se

Acta Psychologica
|October 27, 2004
PubMed
Summary

This study explored metacognitive judgments about general knowledge accuracy. People are less confident and accurate judging their own answers compared to others, showing a potential overconfidence effect in self-assessment.

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Area of Science:

  • Social Psychology
  • Cognitive Science
  • Metacognition

Background:

  • Metacognitive judgments, such as confidence and frequency estimates, are crucial for self-regulated learning and decision-making.
  • Understanding the factors influencing the accuracy of these judgments, particularly when comparing self-assessment to assessments of others, is vital.

Purpose of the Study:

  • To investigate the differences in the realism (validity) of confidence and frequency judgments between one's own and another person's answers to general knowledge questions.
  • To examine the influence of additional information on these metacognitive judgments.

Main Methods:

  • Participants provided confidence and frequency judgments for their own and another person's answers to general knowledge questions.
  • Two experiments were conducted, with Experiment 2 including additional information about the other person's answers.

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Main Results:

  • Participants exhibited higher overconfidence, better discrimination ability, lower accuracy, and lower confidence when judging their own answers compared to another's in Experiment 1.
  • The overconfidence effect observed in Experiment 1 was not replicated in Experiment 2, though discrimination ability, confidence, and accuracy remained consistent.
  • Participants consistently provided lower frequency judgments of their own overall accuracy compared to another person's.

Conclusions:

  • Metacognitive judgments about one's own knowledge accuracy differ significantly from judgments about others' accuracy.
  • Self-assessment of knowledge may be prone to overconfidence, particularly when confidence levels are low.
  • Providing additional information can enhance confidence and discrimination ability in judging others' answers.