What People Believe about How Memory Works: A Representative Survey of the U.S. Population
2011

What People Believe about How Memory Works

Sample size: 1500 publication Evidence: high

Author Information

Author(s): Daniel J. Simons, Christopher F. Chabris

Primary Institution: University of Illinois, Champaign, Illinois, United States of America

Hypothesis

Do people think that memory works like a video camera?

Conclusion

Many common beliefs about memory among the U.S. population contradict expert consensus.

Supporting Evidence

  • 83% of respondents believe amnesia results in the inability to remember one's own identity.
  • 78% believe unexpected objects generally grab attention.
  • 63% think memory works like a video camera.
  • 55% believe memory can be enhanced through hypnosis.
  • 48% think memory is permanent.
  • 37% believe the testimony of a single confident eyewitness should be enough to convict a criminal.

Takeaway

Most people think memory works like a video camera, but that's not true; our memories can change and aren't always accurate.

Methodology

A nationally representative telephone survey was conducted with 1500 respondents.

Potential Biases

Potential bias from respondents who may differ from those who do not participate in surveys.

Limitations

The survey may not fully capture the beliefs of the entire U.S. population due to low response rates.

Participant Demographics

Demographics were weighted to match U.S. Census values for sex, region, age, and race.

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0022757

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